Math, asked by grangdanrinchen, 2 months ago

Exercise 14F
Factorise:
1. (a+b)2-1

Answers

Answered by singhrajinder1410

1

Answer:

expand (a+b)2-1:2a+2b-1

steps

(a+b)2-1

=2(a+b)-1

expand 2 (a+b):2a +2b

=2a+2b-1

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