Polynomial Operations With Exponent

Simplify:

• 9n³ + 4n
• 7n³ + 6
• -3n³ + 2
• 7n⁶ + 6

Simplify:

• 0
• -3n³ +8n
• -3n⁶ 
• -6n³

Simplify:

• -4x - 3
• x² - 3
• -4x² - 6x
• -4x - 6

Find the sum.
(2x² + 5x - 7) + (3 - 4x² + 6x)

• 2x² + 3x + 1
• -2x² - 11x - 4
• 2x² + 5x - 7
• -2x² + 11x - 4

Find the difference. 
(3 - 2x + 2x²) - (4x - 5 + 3x²)

• x_² + 6x + 8
• 2x² + 5x - 7
• -x² -6x + 8
• -2x² + 11x - 4

Find the difference.
(7p + 4p³ - 8) - (-3p² + 2 - 9p)

• -3p² + 4p³ -15 + 9
• 3p³ + 4p² - p + 3
• 4p³ -3p² +16p -10
• 4p³ +3p² + 16p + 10

Simplify the expression.
-3x²( 7x² - x + 4)

• -21x⁴ + 3x³ -12x²
• 7x² - x + 4 (-3x²)
• 21x⁴ + 3x³ + 12x²
• -12x² + 3x³ -21x⁴

(5x + x³) - (2x² + 3x)=

• x³ - 2x² - 2x
• x³- 2x² + 8x
• x³- 2x² + 2x

Simplify:

• r² - 3r -2
• r² - 3
• -2r -2 
• r² - 2r -3

(x - 4)²

• x² - 16
• x² + 16
• x² - 8x + 16
• x² + 8x - 16