Unit 3 Quiz 1 combining like terms

Rewrite the expression by combining like terms.

3x + 4+ 8x² + 4x³ + 2x - 5 – 2x³ – 5x²

• 2x³ + 3x² + 5x -1

• 2x³ + 2x² + 2x +1

• 2x³ + x² + 3x -1

• 2x³ + 3x² + 6x - 9

2a² – 8a²+ 5a³– 11a²

• 5a³ - 5a⁶

• 5a³ - 17a²

• 5a³ + 5a²

(4p³ – 2p² ) – (5p³ + 7p²)

• 5p³ - 9p²

• - p ³- 9p²

• p ³ - 9p²

2c – 12c³ – 5c⁴ + 7c + 10c⁴

• 5c⁴ – 12c³ + 9c

• 5c⁴ + 12c³ - 9c

• 5c⁴ - 12c³ - 9c

9m³ + m + 2m² – 3m³ -2m

• 6m³+ 2m² - 3m

• -11m³+ 2m² + m

• 6m³+ 2m² - m

(7n⁶ + 5n⁸ + 4) – (4n⁶ – 2n⁸ + 1)

• 7n⁸ + 3n⁶ + 3

• 3n⁸+ 3n⁶ + 7

• -3n⁸ - 3n⁶ - 7

• 7n⁸ + 3n⁶ + 5

10(3t² + 2t⁴) – 5(t³ + 2)

• 20t⁴ + 5t³ - 30t² + 10

• 20t⁴ - 5t³ + 30t² + 10

• 20t⁴ - 5t³ + 30t² - 10

2(g³ + 2g) – 4g(g² + 5)

• – 2g³ – 16g

• + 2g³ – 16g

• – 2g³ + 16g

–4(x² – 2) + 6(x² + 5)

• -2x² + 38

• 2x² + 38

• -2x² - 38

(8n⁶ + 4n⁸ + 4) + 2(4n⁶ – 6n⁸ - 1)

• -8n⁸ + 16n⁶ + 2

• -8n⁸ + 16n⁶ + 3

• -2n⁸ + 16n⁶ + 2