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2x(3x-4)=6(x^2-4x-3)

I have a huge math test next week and I need to be able to solve this question. Does anyone know how to?

 May 17, 2014

Best Answer 

 #2
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+8

wrong mistake made when multiplying out the brackets

x= -9/8

 May 18, 2014
 #1
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+5

$$6x^2-8x=6x^2-24x-18\\
-8x=-24x-18\\
16x=-18\\
x=\frac{-18}{16}\\
x=-\frac{9}{8}$$

 

Edit:  Corrected version. 

 May 17, 2014
 #2
avatar
+8
Best Answer

wrong mistake made when multiplying out the brackets

x= -9/8

Guest May 18, 2014
 #3
avatar+33665 
0

You are quite right Anonymous!  I've now corrected my original.

 May 18, 2014

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