Question

(-a-b)(-a-b)
________ = ? Help simplify, please
a+b

Answer 1

a² + 2ab + b²

Explanation:

given

(- a - b)(- a - b)

each term in the second factor is multiplied by each term in the first factor

- a(- a - b) - b(- a - b) ← distribute parenthesis

= a² + ab + ab + b² ← collect like terms

= a² + 2ab + b²