Simplifying Expressions 2

1. Simplify

2x⁵ - 3x² - 9 + 9x⁵ - 7x²

• 7x⁵ - 4x² - 9

• 7x⁵ - 10x² - 9

• 11x⁵ - 4x² - 9

• 11x⁵ - 10x² - 9

• Already simplified

Simplify

13x⁷ - 4x² - 11 + 3x⁵ - 5x⁷ + 6x²

• 8x⁷ + 3x⁵ + 2x² - 11

• 18x⁷ + 3x⁵ + 10x² - 11

• 8x⁷ + 3x⁵ - 10x² - 11

• 18x⁷ + 3x⁵ - 10x² - 11

• Already Simplified

Simplify

-3x⁵ - 4x + 2 + 3x - 5x² - 11x⁵

• 14x⁵ - 5x² - 7x + 2

• -14x⁵ - 5x² - x + 2

• 14x⁵ - 5x² - x + 2

• -14x⁵ - 5x² - 7x + 2

• Already Simplified

Simplify

2x⁷ - 4(2x³ - 1) + 3(6x⁷ + 2x³)

• 20x⁷ - 2x³ + 4

• 20x⁷ - 14x³ + 4

• 20x⁷ + 2x³ + 4

• 20x⁷ + 14x³ + 4

• Already Simplified

Simplify

-4x⁷ - 3(7x⁵ - 2) - 3(x⁵ + 3x³)

• -4x⁷ - 24x⁵ - 9x³ + 6

• -4x⁷ - 18x⁵ - 9x³ + 6

• -4x⁷ + 24x⁵ - 9x³ + 6

• -4x⁷ + 18x⁵ - 9x³ + 6

• -4x⁷ + 8x⁵ + 3x³ - 8

Which of the following are examples of like terms?

Select all that apply.

• 7x + 7x³

• 9x - 9

• 3x - 5x

• 9y⁴ + y⁴

• x⁵ + 5x⁴

Simplify the Expression. 
9z  - 21 - 3z + 10

• Simplified
• 9z - 21 - 7
• 9z - 11 -3z
• 6z - 11

Which of the following expressions represents

5(3x² - 6x⁹) - 4(3x² + 10x⁷) + 3x⁹

in standard form?

• -27x⁹ - 40x⁷ + 3x²

• -33x⁹ - 40x⁷ + 3x²

• -27x⁹ - 40x⁷ -27x²

• -27x⁹ + 40x⁷ + 3x²

• already in standard form

Simplify:
4(8x + 1) - 6(1 - 8x)

• -80x - 2
• 80x + 2
• -80x + 2
• 80x - 2

-x²+7x-10+4x²-6x+8

• 4x²+13x+18
• 3x²-x+2
• 3x²+x-2
• 6x²-2x-2