SOLUTION: simplify the rational expression 9x - 21 / 15x - 35

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Question 35356: simplify the rational expression
9x - 21 / 15x - 35
Answer by Cintchr(475) About Me  (Show Source):
You can put this solution on YOUR website!
+%289x-21%29%2F%2815x-35%29+
Factor both parts
+3%283x-7%29%2F5%283x-7%29+
Cancel like terms
+3%2F5+