find the zeros of the polynomial f(x)= x^3-5x^2-16x+80, if its two zeros are equal in magnitude but opposite in sign

find the zeros of the polynomial f(x)= x^3-5x^2-16x+80, if its two zer

1.	find the zeros of the polynomial f(x)= x^3-5x^2-16x+80, if its two zeros are equal in magnitude but opposite in sign
Answer» find the zeros of the polynomial f(x)= x^3-5x^2-16x+80, if its two zeros are equal in magnitude but opposite in sign