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

User AntonioHS
by
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2 Answers

4 votes

Answer:

7x - 6x² or -6x² + 7x

Explanation:

(7x-4x²) + (2x²-4x²)

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

User Tulio
by
7.8k points
5 votes

Answer:

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

Explanation:

User Malajisi
by
8.0k points