Combining Like Terms and Adding Polynomials

Simplify the expression:
-2x² - x + 1 - x² + 3x - 5

• -2x² + 2x - 6

• -3x² + 2x - 4

• 2x² + 2x + 4

• -3x² + 4x - 4

12x² - 8x + 9 - 7x² + 3x - 5

• 19x²+11x+4

• 5x²-5x+4

• 4x²+2x-2

• 4

Simplify the expression.

4a³ - 8a - 4a² + 7a³ - 7 - 6a

• 11a³ - 4a² - 14a - 7

• 5a³ - 4a² - 14a - 7

• 5a³ - 4a² - 20a - 7

• 5a³ - 9a² - 20a - 7

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4

• 2a + 2b + 4

• 8ab

• 4ab + 4

2a² – 8a²+ 5a³– 11a²

• - 5a² + 5a³

• -17a² + 5a³

• 5a^{2 -} 5a³

–4d⁸ – 3 + 5d⁴– 8d⁸ + 7

• 4 + 5d⁴ - 12d⁸

• 4 + 5d⁴ - 4d⁸

• 4 - 5d⁴ - 12d⁸

2c – 12c³ – 5c⁴ + 7c + 10c⁴

• 9c – 12c³ + 5c⁴

• -9c – 12c³ + 5c⁴

• 9c + 12c³ + 5c⁴

9m³ + m + 2m² – 3m³

• m + 2m² - 6m³

• m + 2m² + 11m³

• m + 2m² + 6m³

Simplify the expression: 7v + 2 + 12 + 2v

• 23

• 23v

• 9 + 14v

• 9v + 14

Combine like terms
3x + 2x + 11y - 7y

• 5x + 10y

• 5x - 4y

• 5x + 4y

• 5x -10y