Question

expand (X + 2 Y - 3 Z)^2

Answer 1

hope it helps you
as we have to put it into formula

Answer 2

Answer:

Question :-

➠ (x + 2y - 3z)²

Formula used :-

➪ (a + b + c)²

➭ a² + b² + c² + 2ab + 2bc + 2ca

Answer :-

➠ (x + 2y - 3z)²

➻ (x)² + (2y)² + (-3z)² + 2 × x × 2y + 2 × 2y × (-3z) + 2 × (-3z) × x

➻ x² + 4y² + 9z² + 4xy - 12yz - 6xz

∴ The value of (x + 2y - 3z)² is x² + 4y² + 9z² + 4xy - 12yz - 6xz