# What is the coefficient of x in the expansion of (2xâˆ’4)^2? What is the coefficient of x^2 in the expansion of (x+3)(x^2+7x+8)?

1 answer

###### Question:

What is the coefficient of x in the expansion of (2xâˆ’4)^2?

What is the coefficient of x^2 in the expansion of (x+3)(x^2+7x+8)?

What is the coefficient of x^2 in the expansion of (x+3)(x^2+7x+8)?

## Answers

Answer:[tex]-16[/tex], [tex]10[/tex]Step-by-step explanation:To get the coefficients, we first need to factor the expressions[tex](2x-4)^{2}[/tex][tex](2x-4)(2x-4)[/tex][tex]4x^{2}-16x+16[/tex]The coefficient of x is -16[tex](x+3)(x^{2}+7x+8)[/tex][tex]x^{3}+10x^{2}+29x+24[/tex]The coefficient of xÂ² is 10plz mark me brainliest. :)

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