Question

(-a+b-c)whole square=?

Answer 1

Hey there !

( -a + b - c) ²

= a²+b²+c²+2(-a) (b) + 2(b)(-c) + 2(-c) (-a)

= a²+ b² + c² -2ab -2bc + 2ca .

Hope helped!

Answer 2

Hello!

(-a+b-c)^2
=
$a {}^{2} + b {}^{2} + c {}^{2} + 2( - a)(b) + 2(b)( - c) + 2( - c)( - a)$
=
$a {}^{2} + b {}^{2} + c {}^{2} - 2ab - 2bc + 2ca$


Hope it helps...!!!