计算:(x+2)(4x-2)+(2x-1)(x-4)

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计算:(x+2)(4x-2)+(2x-1)(x-4)计算:(x+2)(4x-2)+(2x-1)(x-4)计算:(x+2)(4x-2)+(2x-1)(x-4)(x+2)(4x-2)+(2x-1)(x-4

计算:(x+2)(4x-2)+(2x-1)(x-4)
计算:(x+2)(4x-2)+(2x-1)(x-4)

计算:(x+2)(4x-2)+(2x-1)(x-4)
(x+2)(4x-2)+(2x-1)(x-4)
=(x+2)* 2 * (2x-1)+(2x-1)(x-4)
=(2x+4 + x - 4) * (2x - 1)
= 3x * (2x - 1)
=6x^2 - 3x