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avatar+577 

So I know how to simplify something like 

(x+7)(x7)=x249

but can someone give me an easy way to simplify something like

(2x3i)(2x+3i)(x+8)(x+2)=?

and I'm also going to ask another question about that math problem when I get this answer, so be warned.

 

 

Oh! If anyone needs a tip on LaTeX use, message me.

 Dec 1, 2017
 #1
avatar+118703 
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(2x3i)(2x+3i)(x+8)(x+2)=(4x29i2)(x+8)(x+2)=(4x2+9)(x+8)(x+2)=(4x2+9)(x2+10x+16)=4x2(x2+10x+16)+9(x2+10x+16)etc

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 Dec 1, 2017
 #2
avatar+577 
+2

I'm sorry, but I need a full polynomial form, not factored form.

 #3
avatar+118703 
+2

Just expand it our and then collect like terms.  I thought you cold do that yourself :/

Melody  Dec 1, 2017
 #4
avatar+577 
+3

idk how with polynomials...

 #5
avatar+577 
+2

and im kinda full with a lot of math at once

 #6
avatar+118703 
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=4x2(x2+10x+16)+9(x2+10x+16)=4x4+40x3+64x2+9x2+90x+144=4x4+40x3+73x2+90x+144

Melody  Dec 1, 2017
 #7
avatar+577 
+3

thanks


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