Practice
Solve for x.a) 7x2 − 19x − 6 = 0
{-2/7,3}
{-2/7,3}
b) 12x2 − 25x + 7 = 0
{1/3,7/4}
{1/3,7/4}
c) 28x2 − 57x + 14 = 0
{2/7,7/4}
{2/7,7/4}
d) 10x2 − 17x − 20 = 0
{-4/5,5/2}
{-4/5,5/2}
e) 7x2 − 37x + 10 = 0
{2/7,5}
{2/7,5}
f) 5x2 + 14x − 3 = 0
{1/5,-3}
{1/5,-3}
g) 3x2 − 11x + 6 = 0
{2/3,3}
{2/3,3}
h) 3x2 − 17x + 10 = 0
{2/3,5}
{2/3,5}
i) 14x2 − 13x − 12 = 0
{-4/7,3/2}
{-4/7,3/2}
j) 20x2 − 31x + 12 = 0
{4/5,3/4}
{4/5,3/4}
