Question

) Write down the squares of the following: (2y - z)²​

Answer 1

Answer:

$4y ^{2} + z ^{2} - 4yz$

Step-by-step explanation:

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Answer 2

Answer:

property used =

(x-y)² = x² - 2xy + y²

So now using the property

(2y-z) =

(2y)² - 2 (2y)(z) + z²

4y² - 4yz + z²

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