nataliesailer083 nataliesailer083

26-05-2021
Mathematics

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

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aleighablock878 aleighablock878

26-05-2021

( 2x − 27 ) ( −x + 15 )

= ( 2x + −27 ) ( −x + 15 )

= ( 2x ) ( −x ) + ( 2x ) ( 15 ) + ( −27 ) ( −x ) + ( −27 ) ( 15 )

= −2x^2 + 30x + 27x − 405

= −2x^2 + 57x − 405

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