Question

Expand (a - b + c)2 please may I know ​

Answer 1

Answer:

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

hope it. helps you

Answer 2

$\huge{\boxed{\fcolorbox{black}{pink}{Answer}}}$

$\rightarrow{(a - b + c)^2}$

$\implies$ (a - b + c)*(a - b + c)

$\implies$ a(a - b + c) - b(a - b + c) + c(a - b + c)

$\implies$ a^2 - ab + ca - ab + b^2 - bc + ca - bc + c^2

$\implies$ a^2 + b^2 + c^2 - ab - ab - bc - bc + ca + ca

$\implies$ a^2 + b^2 + c^2 - 2ab - 2bc + 2ca

The final answer is a^2 + b^2 + c^2 - 2ab - 2bc + 2ca