melodymusic785 melodymusic785

15-08-2016
Mathematics

contestada

Can anyone identify and correct the error shown below?
4(×+5)=(4×)(45)
=80×

Respuesta :

15-08-2016

Hello,

The good property is [tex]\boxed{a*(b+x)=a*b+a*c}[/tex]

So 4(x+5)=4*x+4*5=4x+20 and not 80x !!!!!!!!!!!!!!

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