Question

Expand (2x - y + z)² using suitable identity​

Answer 1

Answer:

the identity

Step-by-step explanation:

(a+b+c)^3 =a^2 +b^2 + c^2 + 2ab + 2bc + 2ca

(2x)^2 + (-y)^2 - z^2 + 2( etc.