Practice
Solve for x.a) x2 − 5x − 36 = 0
{9,-4}
{9,-4}
b) x2 − 6x + 5 = 0
{1,5}
{1,5}
c) x2 + x − 72 = 0
{8,-9}
{8,-9}
d) x2 + 2x − 3 = 0
{1,-3}
{1,-3}
e) x2 − 4x + 3 = 0
{3,1}
{3,1}
f) x2 + 7x + 12 = 0
{-4,-3}
{-4,-3}
g) x2 + 7x + 6 = 0
{-6,-1}
{-6,-1}
h) x2 − 3x − 10 = 0
{-2,5}
{-2,5}
i) x2 + 8x − 9 = 0
{-9,1}
{-9,1}
j) x2 + 13x + 40 = 0
{-8,-5}
{-8,-5}
