SOLUTION: how would i solve 14x^-3+9x^-4

SOLUTION: how would i solve 14x^-3+9x^-4

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Question 323467: how would i solve 14x^-3+9x^-4
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
14x^-3+9x^-4 change the negative exponents to positive exponents.
14/x^3+9/x^4 find the commom denominator (x^7)
(14x^4+9x^3)/x^7 factor x^3 in the numerator.
x^3(14x+9)/x^7 divide by x^3
(14x+9)/x^4 ans.
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