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23 July, 12:27

How do I rewrite the expression - 2a (a+b-5) + 3 (-5a+2b) + b (6a+b-8)

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  1. 23 July, 12:30
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    Multiply - 2a (a. - 2a^2

    -2a (b. - 2ab

    -2a (-5. 10a

    Multiply 3 (-5. a - 15a

    3 (2b. 6b

    Multiply b (6a 6ab

    b (b. b^2

    b (-8. - 8b

    Combine like terms-2a^2-2ab+6ab+10a-15a+6b-8b+b^2

    Answer - 2a^2+4ab-5a-2b+b^2
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