Question

Find the zeros of the function. f(x)=-3x^2+75

Answer 1

Add 3x^2 to both sides. 3x^2=75. Divide by 3 on both sides to get x^2=25. Then square root each side to get x=5 or -5. Hope this helps! ;)

Answer 2

0=-3x^2+75
3x^2=75
x^2=25
x=+-5

Final answer: x=-5, x=5