SOLUTION: Please help me solve this equation. Thank you. Find the LCD for the given rational expressions, and convert each rational expression into an equalivalent rational expression wit

Question 87797This question is from textbook elementary and intermediate alebra
: Please help me solve this equation. Thank you.
Find the LCD for the given rational expressions, and convert each rational expression into an equalivalent rational expression with the LCD as the denominator.
3/4b^2-9,2b/2b+3,-5/2b^2-3b This question is from textbook elementary and intermediate alebra

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Find the LCD for the given rational expressions, and convert each rational expression into an equalivalent rational expression with the LCD as the denominator.
3/4b^2-9,2b/2b+3,-5/2b^2-3b
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Factor each denominator:
4b^2-9 = (2b-3)(2b+3)
2b+3
2b^2-3b = b(2b-3)
----------------------
Form the LCD:
LCD = b(2b+3)(2b-3)
---------------------
Convert each fraction:
3/(4b^2-9) = [3*b]/LCD
2b/2b+3 = [2b^2(2x-3)]/LCD
-5/2b^2-3b = -5(b+3)/LCD
=========================
Cheers,
Stan H.
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