Автор - sneote

помогите (4x-3)(3+4x)-2x(8x-1)=0

Ответ

Автор - NiGhtWolFs
(4x-3)(3+4x)-2x(8x-1)=0
12x+16x²-9-12x-16x²+2x=0
-9+2x=0
2x=9
x=9/2
x=4,5

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