Question

Expand and simplify (x+1)(x+1)

Answer 1

Answer is x^2 +2x+ 1

Answer 2

3x+1

Explanation:

(x+1)² = (x+1)(x+1)

Using formula a²+2ab+b²: -

In this case, a = x and b = 1

= x² + 2(x) + 1²

= x +2x +1

= 3x + 1

Hope this helps!