SOLUTION: solve by factoring quadratic equations? 3xsquare + 15=o

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Question 153754: solve by factoring quadratic equations?
3xsquare + 15=o
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
3X^2+15=0
x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+
X=(0+-SQRT[0^2-4*3*15])/2*3
X=(0+-SQRT[0-180])/6
X=(+-13.416i)/6 ANSWER.