Practice
Solve for x.a) x2 − 3x − 54 = 0
{-6,9}
{-6,9}
b) x2 + 3x − 40 = 0
{5,-8}
{5,-8}
c) x2 − 4x − 45 = 0
{9,-5}
{9,-5}
d) x2 + 9x + 14 = 0
{-7,-2}
{-7,-2}
e) x2 + 15x + 56 = 0
{-8,-7}
{-8,-7}
f) x2 − x − 30 = 0
{-5,6}
{-5,6}
g) x2 − 9x + 8 = 0
{1,8}
{1,8}
h) x2 + 4x + 3 = 0
{-3,-1}
{-3,-1}
i) x2 − 7x − 8 = 0
{-1,8}
{-1,8}
j) x2 + 7x + 10 = 0
{-2,-5}
{-2,-5}