Asked by Shawn

let f(x) = 12x^2 +7x-10. Find x such that f(x)=0

a.) -4/5, 5/3
b.) -5/4, 2/3
c.) -2/5, 5/3
d.) -5/3, 2/3
Answered by Reiny
solve 12x^2 + 7x - 10 = 0

Hint: it factors
If you can't see or find the factors use the quadratic formula
Answered by Shawn
I think I have it I was able to factor out 12x^2 +7x-10 to (4x+5) (3x-2)=0
answer is -5/4 and 2/3
right?