Question

33.Simplify: (a + b)2 + (a - b)2
​

Answer 1

Step-by-step explanation:

hope it's helpful

I think

Answer 2

= (a+b)2 + (a-b)2
= Expand(1)–2(a+b)
= 2a+2b
= Expand(2)–2(a-b)
= 2a-2b
= 2a+2b+2a-2b
= 2a+2a (2b-2b is cancel)
= 4a is the answer..