Polynomials Adding Subtracting Multiplying Dividing by Monomial

Simplify:

2x ( -2x -3)

• -4x - 3

• x² - 3

• -4x² - 6x

• -4x - 6

Multiply.

(x + 5)(x + 4)

• (x + 5)(x + 4)

• x² + 20x + 9

• x² + 9x + 20

• x² - 9x + 54

Multiply. (2x - 1)(x + 2)

• 2x² - 5x - 2

• 2x² + 3x - 2

• 2x² + 3x + 2

• 2x² - 5x + 2

Multiply.

(x - 7)(x + 7)

• x² + 7x - 49

• x² - 7x + 49

• x² + 49

• x² - 49

(n² + 16n + 69) ÷ (n + 6), what is the remainder?

• 10

• 9

• -10

• -9

Divide x⁴ + x³ + 2x² + x -1 by (x+1)

• x² + 2x -1

• x³ + 2x -1

• x² - 2x + 1

• x³ - 2x + 1

Divide (2x³+4x²-5) by (x+3).

• 2x²+2x-4 R(-12)

• 2x²-2x+8 R(-20)

• 2x²-4x+1 R0

• 2x²-2x+6 R(-23)

Add the polynomials:
(2x+5y) + (3x-2y)

• 3x + 5y

• 5x + 3y

• 5x + 7y

• 7xy + 1xy

Simplify the expression.
(4n⁴-8n+4) - (8n²+4n⁴+1)

• -8n² - 8n + 3 

• -7n² - 8n + 3 

• -6n² - 8n + 3

• -7n² - 4n + 3

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

• -21x⁴ + 3x³ -12x²

• 7x² - x + 4 (-3x²)

• 21x⁴ + 3x³ + 12x²

• -12x² + 3x³ -21x⁴