Question

x+1=9x^3+9x^2 im supposed to solve the polynomial by factoring and then using the zero product principle

Answer 1

Factor by grouping

(9x^3 +9x^2) - (x+1) = 0

9x^2 (x+1) -(x+1) = 0

(x+1)(9x^2 -1) = 0

--> x+1 = 0
x = -1

--> 9x^2 -1 = 0
x = +-1/3

Answer 2

thanks

Answer 3

yw