Question

(x-5)(x+5)=(x-3)^2-16

Answer 1

Explicación paso a paso:

$(x - 5)(x + 5) = {(x - 3)}^{2} - 16 \\ {x}^{2} - 25 = {x}^{2} - 6x + 9 - 16 \\ - 9 = - 6x + 9 \\ - 18 = - 6x \\ x = 3$