Question

Solve x^2-16=0

Answer 1

what number give 16

Answer 2

\(\bf x^2-16=0\implies x^2-4^2\qquad {\color{brown}{ a^2-b^2 = (a-b)(a+b)}}\)

Answer 3

after thata find x

Answer 4

is it x= 4, -4

Answer 5

@Andresfon12

Answer 6

correct

Answer 7

dont forget to show the work