Question

24. (a + b)2 - a2 + b2​

Answer 1

Answer:

a+b+c×d÷f-c=what can you say

Answer 2

Answer:

(a+b)^2-a^2+b^2

=(a+b)^2-(a^2-b^2)

=(a+b)^2-(a+b)(a-b)

=(a+b) {(a+b)-(a-b)}

=(a+b) (a+b-a+b)

=(a+b) .2b

=2b(a+b)