Expand the minus x + 2 y - 3 z whole square
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Answered by
0
Answer:
(x + 2y - z)²
Step-by-step explanation:
x² + 4y² +z² + 4xy - 4yz - 2xz
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Answered by
0
Answer:
Step-by-step explanation:
(x-2y-3z)²
=[(x)-(2y+3z)]²
=x²-2x(2y+3z)+(2y+3z)²
=x²-4xy-6xz+4y²+2.2y.3z+9z²
=x²+4y²+9z²-4xy-6xz+12yz
hope helps you mark as bbrainliest
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