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I am not good at factoring and i need some help.

1) 7x^2+1=29

2)x^2+3x-12=6

3)8x^2+7x-8=0

4)0=-x^2-x+12

5)2x^2-3x-15=5

6)3-4x^2=-85

thank you!
 Aug 8, 2012

2+0 Answers

 #1
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Precalculus, man, seriously? Pfft. Answer follows: 2,3,no real numbers, 4,4, and radical 22.
 Aug 9, 2012
 #2
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[input]7x^2+1=29[/input]

[input]x^2+3x-12=6[/input]

[input]8x^2+7x-8=0[/input]

[input]0=-x^2-x+12[/input]

[input]2x^2-3x-15=5[/input]

[input]3-4x^2=-85[/input]
 Aug 10, 2012

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