Practice
Solve for x.a) 6x2 − 29x + 28 = 0
{4/3,7/2}
{4/3,7/2}
b) 3x2 + 20x − 7 = 0
{1/3,-7}
{1/3,-7}
c) 5x2 + 36x + 7 = 0
{-1/5,-7}
{-1/5,-7}
d) 10x2 − 39x + 14 = 0
{2/5,7/2}
{2/5,7/2}
e) 14x2 − 39x + 10 = 0
{2/7,5/2}
{2/7,5/2}
f) 10x2 − 33x + 20 = 0
{4/5,5/2}
{4/5,5/2}
g) 10x2 − 21x − 10 = 0
{-2/5,5/2}
{-2/5,5/2}
h) 28x2 − 65x + 28 = 0
{4/7,7/4}
{4/7,7/4}
i) 12x2 − 25x + 7 = 0
{1/3,7/4}
{1/3,7/4}
j) 28x2 + 5x − 12 = 0
{4/7,-3/4}
{4/7,-3/4}
