Question 198409
4/2x^2-9x-35 and 3/4x^2+20x+25
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2x^2-9x-35 = (2x + 5)*(x - 7)
4x^2+20x+25 = (2x + 5)*(2x + 5)
LCD = (2x + 5)*(2x + 5)*(x - 7)