Ответ:
1. 6x^3 – 24x= 0
6x(x^2-4)=0
6x(x-2)(x+2)=0
6x=0 или x-2=0 или x+2=0
x=0 x=2 x=-2
Ответ:x=0
x=2
x=-2
Объяснение:
2.25x^3- 10x^2 +x =0
25x^3- 10x^2 +x =0x(25x^2-10x+1)=0
25x^3- 10x^2 +x =0x(25x^2-10x+1)=0x(5x-1)^2=0
25x^3- 10x^2 +x =0x(25x^2-10x+1)=0x(5x-1)^2=0x=0 или (5x-1)^2=0
25x^3- 10x^2 +x =0x(25x^2-10x+1)=0x(5x-1)^2=0x=0 или (5x-1)^2=0 5x-1=0
25x^3- 10x^2 +x =0x(25x^2-10x+1)=0x(5x-1)^2=0x=0 или (5x-1)^2=0 5x-1=0 5x=1
25x^3- 10x^2 +x =0x(25x^2-10x+1)=0x(5x-1)^2=0x=0 или (5x-1)^2=0 5x-1=0 5x=1 x=1/5
25x^3- 10x^2 +x =0x(25x^2-10x+1)=0x(5x-1)^2=0x=0 или (5x-1)^2=0 5x-1=0 5x=1 x=1/5Ответ:x=0
25x^3- 10x^2 +x =0x(25x^2-10x+1)=0x(5x-1)^2=0x=0 или (5x-1)^2=0 5x-1=0 5x=1 x=1/5Ответ:x=0 x=1/5
2x^4 + 6x^3 – 8x^2- 24x = 0
2x^4 + 6x^3 – 8x^2- 24x = 02x^2(x^2-4)+6x(x^2-4)=0
2x^4 + 6x^3 – 8x^2- 24x = 02x^2(x^2-4)+6x(x^2-4)=0(2x^2+6x)(x^2-4)=0
2x^4 + 6x^3 – 8x^2- 24x = 02x^2(x^2-4)+6x(x^2-4)=0(2x^2+6x)(x^2-4)=02x(x-2)(x+2)(x+3)=0
2x^4 + 6x^3 – 8x^2- 24x = 02x^2(x^2-4)+6x(x^2-4)=0(2x^2+6x)(x^2-4)=02x(x-2)(x+2)(x+3)=02x=0 или x-2=0 или x+2=0 или x+3=0
2x^4 + 6x^3 – 8x^2- 24x = 02x^2(x^2-4)+6x(x^2-4)=0(2x^2+6x)(x^2-4)=02x(x-2)(x+2)(x+3)=02x=0 или x-2=0 или x+2=0 или x+3=0x=0 x=2 x=-2 x=-3
2x^4 + 6x^3 – 8x^2- 24x = 02x^2(x^2-4)+6x(x^2-4)=0(2x^2+6x)(x^2-4)=02x(x-2)(x+2)(x+3)=02x=0 или x-2=0 или x+2=0 или x+3=0x=0 x=2 x=-2 x=-3Ответ:x=0
2x^4 + 6x^3 – 8x^2- 24x = 02x^2(x^2-4)+6x(x^2-4)=0(2x^2+6x)(x^2-4)=02x(x-2)(x+2)(x+3)=02x=0 или x-2=0 или x+2=0 или x+3=0x=0 x=2 x=-2 x=-3Ответ:x=0 x=2
2x^4 + 6x^3 – 8x^2- 24x = 02x^2(x^2-4)+6x(x^2-4)=0(2x^2+6x)(x^2-4)=02x(x-2)(x+2)(x+3)=02x=0 или x-2=0 или x+2=0 или x+3=0x=0 x=2 x=-2 x=-3Ответ:x=0 x=2 x=-2
2x^4 + 6x^3 – 8x^2- 24x = 02x^2(x^2-4)+6x(x^2-4)=0(2x^2+6x)(x^2-4)=02x(x-2)(x+2)(x+3)=02x=0 или x-2=0 или x+2=0 или x+3=0x=0 x=2 x=-2 x=-3Ответ:x=0 x=2 x=-2 x=-3
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Answers & Comments
Ответ:
1. 6x^3 – 24x= 0
6x(x^2-4)=0
6x(x-2)(x+2)=0
6x=0 или x-2=0 или x+2=0
x=0 x=2 x=-2
Ответ:x=0
x=2
x=-2
Объяснение:
2.25x^3- 10x^2 +x =0
25x^3- 10x^2 +x =0x(25x^2-10x+1)=0
25x^3- 10x^2 +x =0x(25x^2-10x+1)=0x(5x-1)^2=0
25x^3- 10x^2 +x =0x(25x^2-10x+1)=0x(5x-1)^2=0x=0 или (5x-1)^2=0
25x^3- 10x^2 +x =0x(25x^2-10x+1)=0x(5x-1)^2=0x=0 или (5x-1)^2=0 5x-1=0
25x^3- 10x^2 +x =0x(25x^2-10x+1)=0x(5x-1)^2=0x=0 или (5x-1)^2=0 5x-1=0 5x=1
25x^3- 10x^2 +x =0x(25x^2-10x+1)=0x(5x-1)^2=0x=0 или (5x-1)^2=0 5x-1=0 5x=1 x=1/5
25x^3- 10x^2 +x =0x(25x^2-10x+1)=0x(5x-1)^2=0x=0 или (5x-1)^2=0 5x-1=0 5x=1 x=1/5Ответ:x=0
25x^3- 10x^2 +x =0x(25x^2-10x+1)=0x(5x-1)^2=0x=0 или (5x-1)^2=0 5x-1=0 5x=1 x=1/5Ответ:x=0 x=1/5
3.
2x^4 + 6x^3 – 8x^2- 24x = 0
2x^4 + 6x^3 – 8x^2- 24x = 02x^2(x^2-4)+6x(x^2-4)=0
2x^4 + 6x^3 – 8x^2- 24x = 02x^2(x^2-4)+6x(x^2-4)=0(2x^2+6x)(x^2-4)=0
2x^4 + 6x^3 – 8x^2- 24x = 02x^2(x^2-4)+6x(x^2-4)=0(2x^2+6x)(x^2-4)=02x(x-2)(x+2)(x+3)=0
2x^4 + 6x^3 – 8x^2- 24x = 02x^2(x^2-4)+6x(x^2-4)=0(2x^2+6x)(x^2-4)=02x(x-2)(x+2)(x+3)=02x=0 или x-2=0 или x+2=0 или x+3=0
2x^4 + 6x^3 – 8x^2- 24x = 02x^2(x^2-4)+6x(x^2-4)=0(2x^2+6x)(x^2-4)=02x(x-2)(x+2)(x+3)=02x=0 или x-2=0 или x+2=0 или x+3=0x=0 x=2 x=-2 x=-3
2x^4 + 6x^3 – 8x^2- 24x = 02x^2(x^2-4)+6x(x^2-4)=0(2x^2+6x)(x^2-4)=02x(x-2)(x+2)(x+3)=02x=0 или x-2=0 или x+2=0 или x+3=0x=0 x=2 x=-2 x=-3Ответ:x=0
2x^4 + 6x^3 – 8x^2- 24x = 02x^2(x^2-4)+6x(x^2-4)=0(2x^2+6x)(x^2-4)=02x(x-2)(x+2)(x+3)=02x=0 или x-2=0 или x+2=0 или x+3=0x=0 x=2 x=-2 x=-3Ответ:x=0 x=2
2x^4 + 6x^3 – 8x^2- 24x = 02x^2(x^2-4)+6x(x^2-4)=0(2x^2+6x)(x^2-4)=02x(x-2)(x+2)(x+3)=02x=0 или x-2=0 или x+2=0 или x+3=0x=0 x=2 x=-2 x=-3Ответ:x=0 x=2 x=-2
2x^4 + 6x^3 – 8x^2- 24x = 02x^2(x^2-4)+6x(x^2-4)=0(2x^2+6x)(x^2-4)=02x(x-2)(x+2)(x+3)=02x=0 или x-2=0 или x+2=0 или x+3=0x=0 x=2 x=-2 x=-3Ответ:x=0 x=2 x=-2 x=-3