Math, asked by SanyaMishra453, 8 months ago

If anyone will solve all the answers I will mark him/her as the brainliest and follow ....

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Answered by saikrishna1021

2

Answer:

(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

Step-by-step explanation:

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