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29 November, 00:41

Rewrite the expression below - 2a (a+b-5) + 3 (-5a+2b) + b (6a+b-8)

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  1. 29 November, 01:41
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    -2a (a+b-5) + 3 (-5a+2b) + b (6a+b-8) = - 2a²-2ab+10a-15a+6b+6ab+b²-8b=

    =-2a² + (-2ab+6ab) + (10a-15a) + (6b-8b) + b²=

    =-2a²+4ab-5a-2b+b²

    Answer: - 2a²+4ab-5a-2b+b²
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