kikimoose2000 kikimoose2000

12-08-2016
Mathematics

contestada

show that the bowtie method can be used to multiply (2x -27)(-x +15)

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MartynBH MartynBH

12-08-2016

Ok so.
First- 2x times -x=-2x^2
Outer- 2x times 15=30x
Inner- -27 times -x=27x
Last- -27 times 15= -405
So now -2x^2 +30x+27x-405
Simplify down to get -2x^2 +57x-405

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