To eliminate the denominators in the equation (2/x)+(4/x+9) = 9, we multiply each side by the lowest common denominator, ______ to get the equivalent equation _______.

Question

I know the first blank is x^2 + 9x, but I can't figure out the second one. I put [-3 (3x^2 - 25x + 6)]/ x^2 + 9x but it said that answer was wrong. pls help

Answer 1

2(x+9) + 4x = 9x(x+9)
or expand it out