Question:

In Algebra 5[6a-2a(2a+4b)+4a^2]=?

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i know i match up the A but what do I do with the 4b

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  1. 5[6a - 2a(2a + 4b) + 4a²] =

    5a[6 - 2(2a + 4b) + 4a] =

    5*2a[3 - (2a + 4b) + 2a] =

    10a[3 - 2a - 4b + 2a] =

    10a(3 - 4b) =

    30a - 40ab

    Hope this helps you!


  2. use pemdas

    5[6a-2a(2a+4b)+4a^2]

    5[6a-4a^2 -8ab+4a^2]

    5[6a-8ab]

    30a -40ab
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