Question

Use the x-intercept method to find all real solutions of the equation.
x^3-6x^2+3x+10=0

Answer 1

x=-1 or 5 or 2

Explanation:

x³-6x²+3x+10=0

(x+1)(x-5)(x-2)=0

x+1=0 ⇒ x=-1

x-5=0 ⇒x=5

x-2=0 ⇒ x=2