SOLUTION: may I ask your help finding the difference in the polynomial (-a^2+5a-8)--4a^2+6a-5)

Question 763103: may I ask your help finding the difference in the polynomial (-a^2+5a-8)--4a^2+6a-5)
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

...I guess you have this; first eliminate parenthesis, be careful if minus sign in front, the rule for the "sign" in front of the parenthesis: the plus sign inside of the parenthesis become a minus (negative) sign and the negative sign become a positive

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