SOLUTION: perform the indicated operation, simplify the answer, show work please
x/x-3 + 2/3x+4
i had trouble finding the LCD, please help and solve, thank you
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Question 21279: perform the indicated operation, simplify the answer, show work please
x/x-3 + 2/3x+4
i had trouble finding the LCD, please help and solve, thank you
Answer by stanbon!(97) (Show Source): You can put this solution on YOUR website!
The LCD is (x-3)(3x+4)
Multiply num. and denom. of 1st fraction by (3x+4) to get the following:
x(3x+4)/LCD
Multiply num. and denom. of the 2nd fraction by (x-3) to get the following:
2(x-3)/LCD
Both denominators are now the same so combine the numerators to get the following:
[3x^2+4x +2x-6]/LCD = [3x^2+6x-6]/LCD = 3[x^2+2x-2]/LCD
The numerator is not "neatly" factorable now leave it alone.
Cheers,
Stan H.
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