(5x^3-3x^4-2x-9x^2-2)+(3x^3+2x^2-5x -7)

-3x⁴ + 8x³ - 9x² - 7x - 9

General Formulas and Concepts:

Step-by-step explanation:

Step 1: Define expression

(5x³ - 3x⁴ - 2x - 9x² - 2) + (3x³ + 2x² - 5x - 7)

Step 2: Simplify

answer: -2+√x,-2-√x

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step-by-step explanation:

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