Question

Pls show steps and answer these questions

Answer 1

Answer in the attachment :)

☆Extra Information ☆

identities :

a²-b²=(a+b)(a-b)

(a+b)²=a²+b²+2ab

(a-b)²=a²+b²-2ab

(a+b+c)²=a²+b²+c²+2ab+2bc+2ca

a²+b²=(a+b)²-2ab

What is Factorisation?

The process in which we convert a highly complex equation in simple brackets is Factorisation.

What to maintain to avoid mistakes:-

In multiplication:-

• Minus and minus gives Plus
• Plus and Plus is positive
• So when multiplying in Brackets,
• Make sure to maintain the above points

Answer 2

# refer pic above plz...