SOLUTION: please help me solve (3x^3+2y-23)-(-5x^3-4y+17), what is it simplified?

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Question 306198: please help me solve (3x^3+2y-23)-(-5x^3-4y+17), what is it simplified?
Answer by themathtutor2009(81) About Me  (Show Source):
You can put this solution on YOUR website!
(3x^3+2y-23)-(-5x^3-4y+17)

3x^3+2y-23+5x^3+4y-17

8x^3+6y-40


(3x^3+2y-23)-(-5x^3-4y+17)=8x^3+6y-40