Question 133072
-16^2+40x-24=0

-4 (4x^2-10x+6) =0
4x^2-10x+6 =0

4x^2-6x-4x+6 =0
2x(2x-3)-2(2x-3) =0

(x-1)(2x-3) = 0
x=1,3/2