Question

Find the zeros of the function: f(x)=2x^4-3x^3-16x-24

Answer 1

2x^4-3x^3-16x-24

there are 4 terms, so we want to break them up into groups of 2
2x^4-3x^3 and -16x-24

2x^4-3x^3
becomes
x^3(2x-3)

-16x-24
becomes
-8(2x+3)

bring them back together
x^3(2x-3)-8(2x+3)