rex3514321 rex3514321

13-07-2016
Mathematics

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Solve 3x^2 = −12x − 15.

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matheeee matheeee

13-07-2016

3x^2+12x+15=0

Then divide by 3 to get the x by itself.
x^2+4x+5=0

Factor to (x+5) (x-1) and solve for the two values of x.

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bdroberts5 bdroberts5

13-07-2016

-2+i, -2-i are your two answers, you have to move everything to one side and solve

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