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0
918
4
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(x+7)(x+9)

 May 19, 2014

Best Answer 

 #4
avatar+118724 
+5

I assume you just want to expand and then simplify this.

(x+7)(x+9)

=x(x+9)+7(x+9)

=x2+9x+7x+63

=x2+16x+63

 May 20, 2014
 #1
avatar+3502 
0

do you want to graph this?

 May 19, 2014
 #2
avatar+564 
+5

The answer with factoring is x^2 + 16x + 63

 May 19, 2014
 #3
avatar
0

Hi! Here to help.

 

So the answer, with all the working, is:

 

x*x=2x^2 (^2 is squared ^3 is cubed etc.)

then x*9=9x

then x*7=7x

then 7*9=63

then all you need to do is simplify: 9x-7x=2x

so the final answer is

2x^2+2x+63

 May 19, 2014
 #4
avatar+118724 
+5
Best Answer

I assume you just want to expand and then simplify this.

(x+7)(x+9)

=x(x+9)+7(x+9)

=x2+9x+7x+63

=x2+16x+63

Melody May 20, 2014

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