Question

Simplify (x-4) to the power of 2 also pls show work

Answer 1

(x-4)(x-4)

x2-4×-4×+16

x2-8×+16

Answer 2

x^2-8x-16

Explanation:

(x-4) ^2

Rewriting

(x-4) (x-4)

FOIL

first: x*x = x^2

outer: x(-4) = -4x

inner: (-4)*x = -4x

last: -4*(-4) = 16

Add them together

x^2 -4x-4x+16

Combine like terms

x^2-8x-16