SOLUTION: 3x^2+8x=11

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Question 686433: 3x^2+8x=11
Found 2 solutions by jim_thompson5910, markcosta:
Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!




Use the quadratic formula to solve for x



Plug in , ,







or

or

or

or

So the two solutions are or

Answer by markcosta(2)   (Show Source): You can put this solution on YOUR website!
3x²+8x=11 --> 3x²+8x-11=0 *We equal the equation to zero. Now its a second grade
equation

Applying the second grade solving formula:

x1 = -8 + 6 / 6 = -1/3
x2 = -8 - 6 / 6 = -7/3

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