Practice
Solve for x.a) x2 − 16x + 64 = 0
{8,8}
{8,8}
b) x2 + x − 72 = 0
{-9,8}
{-9,8}
c) x2 + 4x − 32 = 0
{4,-8}
{4,-8}
d) x2 − 7x − 18 = 0
{9,-2}
{9,-2}
e) x2 − x − 6 = 0
{-2,3}
{-2,3}
f) x2 − 11x + 28 = 0
{7,4}
{7,4}
g) x2 + x − 6 = 0
{-3,2}
{-3,2}
h) x2 + 14x + 48 = 0
{-8,-6}
{-8,-6}
i) x2 + 2x − 8 = 0
{-4,2}
{-4,2}
j) x2 + 14x + 48 = 0
{-8,-6}
{-8,-6}
