Practice
Solve for x.a) 14x2 − 31x − 10 = 0
{-2/7,5/2}
{-2/7,5/2}
b) 5x2 − 17x + 6 = 0
{2/5,3}
{2/5,3}
c) 7x2 − 25x + 12 = 0
{4/7,3}
{4/7,3}
d) 6x2 + 17x − 14 = 0
{2/3,-7/2}
{2/3,-7/2}
e) 6x2 + 19x + 10 = 0
{-2/3,-5/2}
{-2/3,-5/2}
f) 6x2 + 13x − 5 = 0
{1/3,-5/2}
{1/3,-5/2}
g) 28x2 − 45x − 7 = 0
{-1/7,7/4}
{-1/7,7/4}
h) 20x2 − 29x + 5 = 0
{1/5,5/4}
{1/5,5/4}
i) 12x2 − 7x − 10 = 0
{-2/3,5/4}
{-2/3,5/4}
j) 6x2 + x − 12 = 0
{4/3,-3/2}
{4/3,-3/2}
