How do you find the product of $(2x-2)(5x-4)$ ?

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Answer 1 · 2017-07-22T14:00:45

$10x^2-18x+8$

Given: $" "color(blue)((2x-2)) color(green)( (5x-4) )$

Multiply everything in the right bracket by everything in the left.

$color(green)( color(blue)(2x)(5x-4) " "color(blue)(-2)(5x-4) )$

$10x^2-8x" "-10x+8$

$10x^2-18x+8$

How do you find the product of (2x-2)(5x-4)(2x-2)(5x-4)?