Practice
Solve for x.a) 3x2 − 17x + 10 = 0
{2/3,5}
{2/3,5}
b) 6x2 − 7x − 20 = 0
{-4/3,5/2}
{-4/3,5/2}
c) 3x2 − 11x + 6 = 0
{2/3,3}
{2/3,3}
d) 5x2 − 24x − 5 = 0
{-1/5,5}
{-1/5,5}
e) 3x2 − 25x + 28 = 0
{4/3,7}
{4/3,7}
f) 10x2 + 43x + 28 = 0
{-4/5,-7/2}
{-4/5,-7/2}
g) 5x2 + 13x − 6 = 0
{2/5,-3}
{2/5,-3}
h) 10x2 + 21x − 10 = 0
{2/5,-5/2}
{2/5,-5/2}
i) 20x2 − 27x − 14 = 0
{-2/5,7/4}
{-2/5,7/4}
j) 12x2 − 17x + 6 = 0
{2/3,3/4}
{2/3,3/4}
