Practice
Solve for x.a) 12x2 − 7x − 12 = 0
{4/3,-3/4}
{4/3,-3/4}
b) 6x2 + 25x + 14 = 0
{-2/3,-7/2}
{-2/3,-7/2}
c) 5x2 + 34x − 7 = 0
{1/5,-7}
{1/5,-7}
d) 28x2 − 45x − 7 = 0
{-1/7,7/4}
{-1/7,7/4}
e) 14x2 + 43x + 20 = 0
{-4/7,-5/2}
{-4/7,-5/2}
f) 5x2 − 14x − 3 = 0
{-1/5,3}
{-1/5,3}
g) 6x2 + 11x + 3 = 0
{-1/3,-3/2}
{-1/3,-3/2}
h) 3x2 + 7x − 6 = 0
{2/3,-3}
{2/3,-3}
i) 5x2 − 34x − 7 = 0
{-1/5,7}
{-1/5,7}
j) 3x2 + 8x − 3 = 0
{1/3,-3}
{1/3,-3}
