Question

How do you find zeros of y=−4x3+100x?

Answer 1

Solution:

y = -4x³+100x

To find zeros of the polyomial, we must take y = 0

=> -4x³+100x = 0

=> -4x(x²-25) =0

=> -4x(x²-5²)=0

=> -4x(x+5)(x-5)=0

=> (-4x) = 0,or x+5=0 or x-5=0

=> x =0 Or x = -5 or x = 5

••••

Answer 2

Answer:

Step-by-step explanation: