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please help 4xsquared 10x 6=0

Algebra
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4xsquared+10x+6=0.  Solve for x

Apr 24th, 2015

Use the Quadratic Formula:

-b +/- (√b^2 - 4ac) / 2a

= -10 +/- (√10^2 - 4(4)(6)) / 2(4)

= -10 +/- √100 - 96 / 8

= -10 +/- √4 / 8

= -10 +/- 2 / 8

= -8/8 = -1

and

-12 / 8 = -3/2 = -1.5

So, x = -1.5, -1


Apr 24th, 2015

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Apr 24th, 2015
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