haileyklinsmann haileyklinsmann

08-04-2022
Mathematics

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I need 16,18, and 20 answered thank you

I need 1618 and 20 answered thank you class=

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Scabbers Scabbers

08-04-2022

16:

4b(5b-3)-2(b²-7b-4)

= 20b²-12b-2b²+14b+8

=18b²+2b+8

18:

3m(3m+6)-3(m²+4m+1)

= 9m²+18m-3m²-12m-3

=6m²+6m-3

20:

4x(3x+2)-3x×2x

=12x²+8x-6x²

=6x²+8x

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