6x(to the power of 2) + 42x=0

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- Jan 18th 2009, 05:36 PMleanncollege algebra
6x(to the power of 2) + 42x=0

- Jan 18th 2009, 05:39 PMo_O
Factor out a .

Now note that if two numbers multiplied together equals to 0, then either one or both of the numbers**are**0. So let's set both factors (6x and the x + 7) equal to 0 to see what we get.

Can you carry on from here?