SOLUTION: find the roots of each equation using the quadratic formula. 6x^2+12x=-5

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Question 431520: find the roots of each equation using the quadratic formula.
6x^2+12x=-5
Answer by Edwin McCravy(20054) About Me  (Show Source):
You can put this solution on YOUR website!
6x%5E2%2B12x=-5

Get 0 on the right by adding 5 to both sides

6x%5E2%2B12x%2B5=0

Compare to

6x%5E2%2B12x%2B5=0

a=6, b=12,  c=5

x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+

x+=+%28-%2812%29+%2B-+sqrt%28+%2812%29%5E2-4%2A%286%29%2A%285%29+%29%29%2F%282%2A%286%29%29+

x+=+%28-12+%2B-+sqrt%28144-120+%29%29%2F12+

x+=+%28-12+%2B-+sqrt%2824+%29%29%2F12+

x+=+%28-12+%2B-+sqrt%284%2A6+%29%29%2F12+

x+=+%28-12+%2B-+2sqrt%286+%29%29%2F12+

x+=+%282%28-6+%2B-+sqrt%286%29%29%29%2F12+

x+=+%28-6+%2B-+sqrt%286%29%29%2F6+

Two solutions:

x+=+%28-6+%2B+sqrt%286%29%29%2F6+ and x+=+%28-6+-+sqrt%286%29%29%2F6+

Edwin