Question

Solvex^2 - 18; x = -4

Answer 1

Hello!

To solve this equation:

`\hookrightarrow \text{Must substitute x's value into the equation}`

Let's solve:

`x^2-18=(-4)^2-18=16-18=-2`

Answer: -2

Hope that helps!

Answer 2

Given:

`\text{ The expression }x^2-18;x=-4`

Required:

Evaluate the expression for x = -4.

Step-by-step explanation:

We will solve as:

`\begin{gathered} =x^2-18 \\ =(-4)^2-18 \\ =16-18 \\ =-2 \end{gathered}`

Answer:

Value equals -2.