SOLUTION: 3x^2+21x=0 SOLVING QUADRATIC EQUATIONS BY FACTORING

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Question 766217: 3x^2+21x=0
SOLVING QUADRATIC EQUATIONS BY FACTORING
Answer by ramkikk66(644) About Me  (Show Source):
You can put this solution on YOUR website!
3%2Ax%5E2%2B21%2Ax=0

Factoring out the common element of 3*x,

3%2Ax%2A%28x%2B7%29+=+0

So, 3*x = 0 or x + 7 = 0

i.e. x = 0 or x = -7 are the two roots of the quadratic.

Hope this helps :)