Simplify 4x/(x+3)-4x/(x+6)

Simplify 4x/(x+3)-4x/(x+6). We learn how to simplify 4x/(x+3)-4x/(x+6) in this free online math video lesson on Adding and Subtracting Rational Expressions. This video explains how to add a rational expression and how to subtract a rational expression and simplify each expression. We have to find a common denominator before we add or subtract the rational expression 4x/(x+3)-4x/(x+6). #addingrationalexpressions #subtractingrationalexpressions #minutemath

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