liarome08 liarome08

18-02-2018
Mathematics

contestada

−2x(x+5) for x=−3 PLease Help, if you can explain

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dannielle dannielle

18-02-2018

-2*(-3)( -3+5)=6*2=12

because -2*-3= 6
and -3+5= 5-3=2

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