+0  
 
0
308
3
avatar

4x^2+8x=7

Guest Apr 26, 2017
 #1
avatar+280 
+1

Minus the 7, and use the quadradic formula? cause i couldnt factor it. Its been a while, somebody will help you though so dont worry. But once you get the values for x, you plug them into the original problem and see if it equals 7.

Veteran  Apr 26, 2017
edited by Veteran  Apr 26, 2017
 #2
avatar+280 
+2

a = 4, b = 8 , c= -7

Veteran  Apr 26, 2017
 #3
avatar+280 
+3

here is what i got for the exact values.

0.6583123951776999

-2.6583123951776999 

You decide which one it is.

Veteran  Apr 26, 2017
edited by Veteran  Apr 26, 2017

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