What is 3 – (7 + 2x)^2 at X = 4?

asked Mar 12, 2023 9.5k views

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2 votes

Given the expression:

$\text{ 3 - (7 + 2x)}^2$

At x = 4, we substitute the value to the formula.

We get,

$\text{ 3 - (7 + 2x)}^2$
$\text{ 3 - \lbrack{}7 + 2(4)\rbrack}$
$\text{ 3 - (7 + 8)}$
$\text{ 3 - (15)}$
$\text{ 3 - 15}$
$\text{ = -12}$

Therefore, the answer is -12.

Kango answered Mar 17, 2023

by Kango

8.1k points

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