Practice
Solve for x.a) x2 − 4x − 5 = 0
{5,-1}
{5,-1}
b) x2 + 2x − 35 = 0
{5,-7}
{5,-7}
c) x2 − 14x + 45 = 0
{5,9}
{5,9}
d) x2 − 3x − 28 = 0
{-4,7}
{-4,7}
e) x2 + 3x − 40 = 0
{-8,5}
{-8,5}
f) x2 − 6x − 27 = 0
{9,-3}
{9,-3}
g) x2 − 4x + 4 = 0
{2,2}
{2,2}
h) x2 − 5x − 24 = 0
{-3,8}
{-3,8}
i) x2 + 11x + 28 = 0
{-4,-7}
{-4,-7}
j) x2 − 2x − 24 = 0
{-4,6}
{-4,6}