fatimazahid9900 fatimazahid9900

06-11-2021
Mathematics

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(2a+4b) and (2a-7b) multiply the expression

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tweetje38 tweetje38

06-11-2021

(2a+4b)(2a-7b)=
2a(2a-7b)+4b(2a-7b)=
4a^2-14ab+8ab-28b^2=
4a^2-6ab-28b^2

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giannatouya giannatouya

06-11-2021

I think it'd be 4a-3b

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