Question

facterise these problem

Answer 1

(a+b)²- (b-a)²

x²-y²=(x+y)(x-y)

x=a+b

y=b-a

[(a+b)+(b-a)] [(a+b)-(b-a)]

[a+b+b-a] [a+b-b+a]

[2b] [2a]

4ab

hope this helps u...

Answer 2

HEY MATE HERE IS YOUR ANSWER

${(a + b)}^{2} - {(b - a)}^{2} \\ {a}^{2} + {b}^{2} + 2ab - {b}^{2} - {a}^{2} + 2ab \\ 4ab$
HOPE THIS HELPS YOU

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