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OpenStudy (anonymous):
What is the sum or difference? 10y^10-14y^10 -4y^20 -140y^20 -140y^10 -4y^10
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OpenStudy (anonymous):
since these are both to the same degree, imagine you ware subtracting 14 from 10. what's 10-14? then add the y^10 to your answer
OpenStudy (johnweldon1993):
When subtracting numbers with the same exponent...you leave the exponent alone and just subtract the numbers
OpenStudy (anonymous):
were* subtracting
OpenStudy (anonymous):
-4y^10?
OpenStudy (johnweldon1993):
Correct!
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OpenStudy (anonymous):
correct.
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