Question

Expand using suitable identities (2x-3y-1z)^2

Answer 1

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Answer 2

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Answer:

4x² + 9y² + z² - 6yz -12xy + 4xz

Step-by-step explanation:

MAIN FORMULA:

$( {a + b)}^{2} = {a}^{2} + {b}^{2} - 2ab$