Ответ:
Ответ:(4x+1)(3x-1)+(2x-5)^2=(8x+1)(2x-1)
12x^2-4x+3x-1+(2x-5)^2=16x^2-8x+2x-1
12x^2-4x+3x+4x^2-20x+25=16x-8x+2x
16x^2-21x+25=16x^2-6x
-21x+25=-6x
-21x+6x=-25
-15x=-25
x=5/3
Объяснение:
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Verified answer
Ответ:
Verified answer
Ответ:(4x+1)(3x-1)+(2x-5)^2=(8x+1)(2x-1)
12x^2-4x+3x-1+(2x-5)^2=16x^2-8x+2x-1
12x^2-4x+3x+4x^2-20x+25=16x-8x+2x
16x^2-21x+25=16x^2-6x
-21x+25=-6x
-21x+6x=-25
-15x=-25
x=5/3
Объяснение: