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find the difference of (-5x^2-x^3-3)- (9x^3+3x-6x^2)?
Be sure to show all of your work in a neat and organized fashion.Use the ^ (shift 6) symbol to show an exponent. For example, x squared can be written as x^2.
please help
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- TheSicilianSageLv 71 decade agoFavorite Answer
.. (- 5x² - x³ - 3) - ( 9x³ + 3x - 6x²)
= - 5x² - x³ - 3 - 9x³ - 3x + 6x²
= - 9x³ - x³ - 5x² + 6x² - 3x - 3
= (- 9 - 1) x³ + (- 5 + 6) x² - 3x - 3
= (- 10) x³ + (1) x² - 3x - 3
= - 10x³ + x² - 3x - 3
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