Practice
Solve for x.a) 14x2 + 27x − 20 = 0
{4/7,-5/2}
{4/7,-5/2}
b) 10x2 − 37x + 7 = 0
{1/5,7/2}
{1/5,7/2}
c) 10x2 + 33x + 20 = 0
{-4/5,-5/2}
{-4/5,-5/2}
d) 28x2 − 25x + 3 = 0
{1/7,3/4}
{1/7,3/4}
e) 7x2 + 23x + 6 = 0
{-2/7,-3}
{-2/7,-3}
f) 14x2 − 17x − 6 = 0
{-2/7,3/2}
{-2/7,3/2}
g) 14x2 + 53x + 14 = 0
{-2/7,-7/2}
{-2/7,-7/2}
h) 12x2 + 13x − 14 = 0
{2/3,-7/4}
{2/3,-7/4}
i) 28x2 − 51x + 20 = 0
{4/7,5/4}
{4/7,5/4}
j) 28x2 − 43x + 10 = 0
{2/7,5/4}
{2/7,5/4}
