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Matilda uses the polynomial identity (2x−y)^2=4x^2−4xy+y^2 to show that 18² = 324.

What values can Matilda use for x and y?

 Nov 20, 2020
 #1
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Figured it out!

 Nov 20, 2020
 #2
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Ok well good job then!

Thanks4helping  Nov 20, 2020

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