Question

What is 3 – (7 + 2x)^2 at X = 4?

Answer 1

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.