Combining Like Terms Polynomials

-6k + 7k=

• k

• -k

• 12k

• -12k

Add the polynomials (x-2) and (x²+3)

• x²+x+1

• x³+5

• x³+1

• x³-1

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

• -2x² + 2x - 6

• -3x² + 2x - 4

• 2x² + 2x + 4

• -3x² + 4x - 4

2c – 12c³ – 5c⁴ + 7c + 10c⁴

• 9c – 12c³ + 5c⁴

• -9c – 12c³ + 5c⁴

• 9c + 12c³ + 5c⁴

12x² - 8x + 9 - 7x² + 3x - 5

• 19x²+11x+4

• 5x²-5x+4

• 4x²+2x-2

• 4

Simplify the expression.

• 11a³ - 4a² - 14a - 7

• 5a³ - 4a² - 14a - 7

• 5a³ - 4a² - 20a - 7

• 5a³ - 9a² - 20a - 7

What is/are the constant(s) of 2x + 9 + 7x?

• 2, 9, 7

• 2, 7

• 2x, 7x

• 9

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

9m³ + m + 2m² – 3m³

• m + 2m² - 6m³

• m + 2m² + 11m³

• m + 2m² + 6m³