santanasabrina13 santanasabrina13

13-01-2020
Mathematics

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Simplify each expression by combining like terms
3x^-1 - 10x^-1

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sxndhelp sxndhelp

13-01-2020

Answer:

-7/x

Step-by-step explanation:

first, you combine the terms together to get -7x^-1. you cant have negative exponents in the numerator so you move the x^-1 to the denominator. once it move its becomes positive then.

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