Math, asked by sinhhuy123e, 9 months ago

(a-b+c)^2 i hope u will help me

Answers

Answered by Anonymous
1

Answer:

a^2-b^2+c^2+3abc

hope it's help you

Answered by PragathiHN
2

Expansion:

(a-b+c)²

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

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

=a²-ab+ca-ab+b²-bc+ca-bc+c²

=a²+b²+c²-2ab-2bc+2ca

=a²+b²+c²-2(ab+bc-ca)

Hope it helps you.Please mark as brainliest.

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