Question

(x+1)^3-4x=5+x^2(x+3)

Answer 1

x^3+3x^2*1+3*1^2*x+1^3-4x=5+x^3+3x^2
x^3+3x^2+3x+1-4x=5+x^3+3x^2
x^3-X^3+3x^2-3x^2-x+1=5
-x+1=5
x=-4