SOLUTION: solve for x using the factoring method: -3x^2-x-7

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Question 228523: solve for x using the factoring method: -3x^2-x-7
Found 3 solutions by jim_thompson5910, stanbon, Princess13444:
Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Start with the given equation.


Add 3x to both sides.


Factor the left side

Now set each factor equal to zero:
or

or Now solve for x in each case


So our answers are

or

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
solve for x using the factoring method: 3x^2-18=-3x
----------------------------------------
3x^2+3x-18 = 0
3(x^2+x-6) = 0
3(x+3)(x-2) = 0
x = -3 or x = 2
=======================
Cheers,
Stan H.

Answer by Princess13444(1)   (Show Source): You can put this solution on YOUR website!

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