Practice
Solve for x.a) 12x2 + 7x − 10 = 0
{2/3,-5/4}
{2/3,-5/4}
b) 28x2 − 25x + 3 = 0
{1/7,3/4}
{1/7,3/4}
c) 28x2 − 29x + 6 = 0
{2/7,3/4}
{2/7,3/4}
d) 14x2 − 47x − 7 = 0
{-1/7,7/2}
{-1/7,7/2}
e) 7x2 + 31x − 20 = 0
{4/7,-5}
{4/7,-5}
f) 6x2 − 23x + 7 = 0
{1/3,7/2}
{1/3,7/2}
g) 5x2 + 16x + 3 = 0
{-1/5,-3}
{-1/5,-3}
h) 20x2 + 31x − 7 = 0
{1/5,-7/4}
{1/5,-7/4}
i) 10x2 − 33x − 7 = 0
{-1/5,7/2}
{-1/5,7/2}
j) 6x2 − 13x − 28 = 0
{-4/3,7/2}
{-4/3,7/2}