Practice
Solve for x.a) x2 + 6x − 27 = 0
{-9,3}
{-9,3}
b) x2 + 4x + 3 = 0
{-1,-3}
{-1,-3}
c) x2 − 16x + 63 = 0
{9,7}
{9,7}
d) x2 + 5x − 24 = 0
{3,-8}
{3,-8}
e) x2 − 15x + 56 = 0
{7,8}
{7,8}
f) x2 + 3x + 2 = 0
{-2,-1}
{-2,-1}
g) x2 − 7x − 8 = 0
{-1,8}
{-1,8}
h) x2 − 11x + 28 = 0
{7,4}
{7,4}
i) x2 − 4x − 45 = 0
{-5,9}
{-5,9}
j) x2 − 2x − 48 = 0
{-6,8}
{-6,8}
