Practice
Solve for x.a) 28x2 + 29x + 6 = 0
{-2/7,-3/4}
{-2/7,-3/4}
b) 10x2 − 33x − 7 = 0
{-1/5,7/2}
{-1/5,7/2}
c) 28x2 + 39x + 5 = 0
{-1/7,-5/4}
{-1/7,-5/4}
d) 6x2 + 5x − 6 = 0
{2/3,-3/2}
{2/3,-3/2}
e) 14x2 − 27x − 20 = 0
{-4/7,5/2}
{-4/7,5/2}
f) 14x2 − 47x − 7 = 0
{-1/7,7/2}
{-1/7,7/2}
g) 5x2 − 29x + 20 = 0
{4/5,5}
{4/5,5}
h) 10x2 + 19x + 6 = 0
{-2/5,-3/2}
{-2/5,-3/2}
i) 20x2 + 41x + 20 = 0
{-4/5,-5/4}
{-4/5,-5/4}
j) 5x2 + 13x − 6 = 0
{2/5,-3}
{2/5,-3}