Example: Add and simplify 6/(2x²-7) + (-3x-8)/(2x²-7).

Problem

Add the following rational expressions.
start fraction, 3, x, minus, 10, divided by, 9, x, start superscript, 2, end superscript, plus, 18, x, plus, 9, end fraction, plus, start fraction, minus, 6, x, plus, 3, divided by, 9, x, start superscript, 2, end superscript, plus, 18, x, plus, 9, end fraction, equals