Ответ:
Объяснение:
1) (4x+5)²+(3-2x)(8x+1)=7
16x²+40x+25+24x+3-16x²-2x-7=0
62x+21=0
62x= -21
x= -21/62
2) 6x³-24x=0
6x(x²-4)=0
6x(x-2)(x+2)=0
x1=-2
x2=0
x3=2
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Verified answer
Ответ:
Объяснение:
1) (4x+5)²+(3-2x)(8x+1)=7
16x²+40x+25+24x+3-16x²-2x-7=0
62x+21=0
62x= -21
x= -21/62
2) 6x³-24x=0
6x(x²-4)=0
6x(x-2)(x+2)=0
x1=-2
x2=0
x3=2