Question

if x=-4 then what is x^2? in an equation for my homework, they have the solution as positive instead of negative and I don’t understand why.

Answer 1

see explanation

Explanation:

Given

x² , then when x = - 4

x² = - 4 × - 4 = + 16

[ the product of a negative and a negative results in a positive ]

Answer 2

Since x=-4
X^2 = -4^2
16.