Question

expand and simplify (a + b)2 – (a + b)(a - b)​

Answer 1

Answer:

(a + b)2 – (a + b)(a - b)​

= 2- ( a-b $)^{2}$

Step-by-step explanation:

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Answer 2

Answer:

The answer is 2b(a + b)

Step-by-step explanation:

(a + b)² - (a + b)(a - b)

= a² + 2ab + b² - a² + b²

= 2b² + 2ab

= 2b (a + b)