Question

Simplify: x^3-1/x^2-1

Answer 1

Answer:(x-1)(x^2+x+1) / (x+1)(x-1)

Explanation:

For x^3-「1」→ 1=1^3

For x^2-「1」→ 1=1^2. this way of thinking might help you understand better:)

You can just use a formula of factorizationヾ ^_^♪