Question

Solve it (x+y-2z) ^2​

Answer 1

Answer:

(+−2) (+−2)

Explanation:

Answer 2

Answer:

(x+y-2z)²

= (x)² + (y)² + (-2z)² + 2×x×y + 2×y×(-2z) + 2×(-2z)×x

[using the formula–

(a+b-c)² = a² + b² + c² + 2ab - 2bc - 2ca]

= x² + y² + 4z² + 2xy - 4yz - 4zx(ans)