rex3514321
rex3514321
13-07-2016
Mathematics
contestada
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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