Question

(a-b+c)^2.what will be the expansion of this

Answer 1

Heyy mate

The answer is

A2+B2+c2+2ab-2bç-2ac

Hope it helps

Answer 2

Answer:a2 + b2 + c2 - 2ab + 2bc - 2ca

Step-by-step explanation:

let b+c=x

(a-x)2 = asquare - 2ax + x square

=a square- 2a(b+c) + (b+c)square

=a square - 2ab - 2ac + (b square + c square + 2bc)

=a square + b square + c square - 2ab + 2bc - 2ca

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