SOLUTION: When subracting equations with variables and exponents, would you also subtract the exponents? example: 2x^8y^9 - 4x^6y^6

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Question 609622: When subracting equations with variables and exponents, would you also subtract the exponents? example: 2x^8y^9 - 4x^6y^6
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

When subracting equations with variables and exponents, would you also subtract the exponents? 

NO, this minus sign...(like always)...only allows for the subtraction of Like terms

 2x^8y^9 - 4x^6y^6 = 2(x^8y^9 - 2x^6y^6)