AdrianDaGreat AdrianDaGreat

16-06-2022
Mathematics

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struggling with this question how do I explain someone help my out here

struggling with this question how do I explain someone help my out here class=

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katlavender50 katlavender50

16-06-2022

Answer:

(a-b)^2 = a²-2ab+b²

Step-by-step explanation:

(a-b)^2 is not a^2 - b^2.

(a-b)²= (a-b)(a-b)

= a(a-b)-b(a-b)

=a²-ab-ba+b²

=a²-ab-ab+b²

=a²-2ab+b²

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