Practice
Solve for x.a) x2 − 5x − 36 = 0
{9,-4}
{9,-4}
b) x2 + 9x + 8 = 0
{-8,-1}
{-8,-1}
c) x2 + 2x − 48 = 0
{6,-8}
{6,-8}
d) x2 + 3x − 40 = 0
{5,-8}
{5,-8}
e) x2 + 3x − 10 = 0
{2,-5}
{2,-5}
f) x2 − x − 42 = 0
{-6,7}
{-6,7}
g) x2 + 7x + 12 = 0
{-4,-3}
{-4,-3}
h) x2 + 5x − 24 = 0
{3,-8}
{3,-8}
i) x2 + 8x + 7 = 0
{-7,-1}
{-7,-1}
j) x2 − 8x + 16 = 0
{4,4}
{4,4}
