Question

2 X + 3 Y - 4 Z the whole square

Answer 1

(2X+3Y-4Z)^2=4X^2+9Y^2+16Z^2+12XY-16XZ . -24YZ

Answer 2

Hey mate here is your answer

$(2x + 3y - 4z) ^{2} \\ = {(2x)}^{2} + {(3y)}^{2} - ({4z)}^{2} \\ = 4 {x}^{2} + 9 {y}^{2} - 16 {z}^{2}$
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