Question

Solve using perfect square factoring patterns.

x2 – 10x + 25 = 9

A.
{4, –12}

B.
{2, 8}

C.
{–8, –2}

D.
{–4, 12}

Answer 1

(x-5)^2=9 x-5=3 x=8 or x-5=-3 x=2