Practice
Solve for x.a) x2 + 12x + 27 = 0
{-9,-3}
{-9,-3}
b) x2 − 14x + 45 = 0
{9,5}
{9,5}
c) x2 + 5x − 14 = 0
{-7,2}
{-7,2}
d) x2 − 7x + 12 = 0
{4,3}
{4,3}
e) x2 + 7x − 18 = 0
{-9,2}
{-9,2}
f) x2 + 9x + 18 = 0
{-6,-3}
{-6,-3}
g) x2 − 14x + 48 = 0
{6,8}
{6,8}
h) x2 + 8x + 15 = 0
{-5,-3}
{-5,-3}
i) x2 + 8x + 15 = 0
{-5,-3}
{-5,-3}
j) x2 − 16x + 63 = 0
{7,9}
{7,9}