Practice
Solve for x.a) 6x2 + 17x − 14 = 0
{2/3,-7/2}
{2/3,-7/2}
b) 14x2 − 45x − 14 = 0
{-2/7,7/2}
{-2/7,7/2}
c) 10x2 − 23x − 5 = 0
{-1/5,5/2}
{-1/5,5/2}
d) 12x2 + 19x + 5 = 0
{-1/3,-5/4}
{-1/3,-5/4}
e) 14x2 − 27x − 20 = 0
{-4/7,5/2}
{-4/7,5/2}
f) 28x2 − 33x − 28 = 0
{-4/7,7/4}
{-4/7,7/4}
g) 14x2 + 57x + 28 = 0
{-4/7,-7/2}
{-4/7,-7/2}
h) 5x2 + 39x + 28 = 0
{-4/5,-7}
{-4/5,-7}
i) 6x2 − 23x + 20 = 0
{4/3,5/2}
{4/3,5/2}
j) 7x2 + 23x + 6 = 0
{-2/7,-3}
{-2/7,-3}