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March 6, 2015

March 6, 2015

Posted by **Karen** on Wednesday, January 20, 2010 at 10:29pm.

so far i have -3=x^2+4x

i can do the problem on my graphing calc but we can't use a graphing calc on the test so i need to know how to do it by hand. what do i do next?

- Math -
**Reiny**, Thursday, January 21, 2010 at 12:21amyour equation would be

-3 = a^2 + 4a

a^2 + 4a + 3 = 0

(a+1)(a+3) = 0

a = -1 or a = -3

- Math -
**timtyy**, Thursday, January 21, 2010 at 7:40pmhey baby wanna date?

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