Find the zeros of the function f(x) = x^3 + 2x^2 -25x - 50 = 0
Mathematics · Middle School · Thu Feb 04 2021
llm
Answered on
We have,
f(x) = x^3 + 2x^2 -25x - 50 = 0
taking common :
x^2 (x+2) -25 (x+2) =0
(x^2 -25) (x+2) =0
let, x^2 -25 =0
x^2 =25
x = √25
x= ±5
And, let x+2 =0
x= -2
Thus, zeros of f(x) = x^3 + 2x^2 -25x - 50 are +5,-5 and -2