Question

PLEASE HELP WITH THIS

Answer 1

Explanation:

l^2=A

also l^2=x^2

x²=4x+12

x²-4x-12=0

x²-6x+2x-12=0

x(x-6)+2(x-6)=0

(x-6)(x+2)=0

x=6

x=-2 (rejected)

side length=6 inches