Factories : x2 + 2ax - b2 - 2ab
Answers
Answered by
6
Soln:-
=x^2 + 2ax - b^2-2ab +a^2- a^2
=x^2+2ax+a^2 -a^2-2ab-b^2
=(x+a)^2 -(a^2+2ab+b^2)
(x+a)^2-(a+b)^2
=(x+a+a+b)(x+a-a-b)
=(x+2a+b)(x-b)
=x^2 + 2ax - b^2-2ab +a^2- a^2
=x^2+2ax+a^2 -a^2-2ab-b^2
=(x+a)^2 -(a^2+2ab+b^2)
(x+a)^2-(a+b)^2
=(x+a+a+b)(x+a-a-b)
=(x+2a+b)(x-b)
Similar questions