Question 616539
how do you solve this problem 
7/9x - 7/3x^2
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Step 1, say what you want to do.
If you want to subtract:
Find a common denominator.
9x^2 will work
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7/9x - 7/3x^2
= {{{7x/(9x^2) - 21/(9x^2)}}}
= {{{(7x - 21)/(9x^2)}}}