Question

Expand : (2a-b+c)^2​

Answer 1

Answer:

see the picture you can find your answer

Answer 2

$\huge\underline{ \mathbb\red{❥A} \green{n}\mathbb\blue{S} \purple{w} \mathbb \orange{E}\pink{r}}\:$

(2a-b+c)²

(2a)²+(-b)²+(c)²+2×2a×b +2×(-b)×c + 2×c×2a

4a²+b²+c²+4ab+(-2bc)+(4ac)

4a²+b²+c²+4ab-2bc+4ac...

Hope it's helpful ❤️