Question

Equation : f(x) = x^3 + 8x^2 + 15x - 70
Fundemental theorem tells us we will have how many zeros total ?

Answer 1

x^3 + 10x^2 -2x^2 +35x - 10x -70
=>x^3+10x^2 +35x - 2x^2-20x -70
=>x(x^2 +10x + 35) -2(x^2 +10x + 35)
=>(x-2)(x^2 +10x + 35)

Answer 2

thank you for helping/showing me

Answer 3

u can simplify more