Question

Expand using identices
(x+y-2z square​

Answer 1

Answer:

don't know but please do chart with me

Answer 2

Answer:

using the identity:-(a+b+c)

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

here, a=x

b=y

c = -2z

by using this u can find ur answer

plzz mark me as brainliest