breannajohnson2020 breannajohnson2020

16-02-2022
Mathematics

contestada

What is the sum of the polynomials? (7x -4x²) + (2x² - 4x²)

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nakyiawilliams6488 nakyiawilliams6488

16-02-2022

Answer:

(7x³-4x²)+(2x³-4x²) = 7x³-4x²+2x³-4x² = 9x³ - 8x²

Step-by-step explanation:

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abrehman2040 abrehman2040

16-02-2022

Answer:

7x - 6x² or -6x² + 7x

Step-by-step explanation:

(7x-4x²) + (2x²-4x²)

7x - 4x² + 2x² - 4x² = 7x - 8x² + 2x² = 7x - 6x²

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