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x + 9 (x+4)

How do you simplify this expression?

 Sep 29, 2017
 #1
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x + 9 (x+4)

 

x  +  9x  +  36

10x  + 36

2(5x  +  18)

 Sep 29, 2017
 #2
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x^2+4x+9x+36 

x^2+13x+36 

 Sep 29, 2017
 #3
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x + 9(x+4)=

x+9x+36=

10x+36

 Sep 29, 2017
 #4
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x + 9(x+4)=

x+9x+36=

10x+36 BOOM

 Sep 29, 2017

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