Add, Subtract and Multiply Polynomials

(3x + 1)(3x - 1)

• 9x² + 1

• 9x² - 1

• 9x² + 6x - 1

• 9x² - 6x - 1

(2x + y)(x +4y)

• 2x² + 8xy + 4y²

• 2x² + 9xy + 4y²

• 2x² + 4y²

• 2x + 9xy + 4y

Simplify:

• 9n³ + 4n

• 7n³ + 6

• -3n³ + 2

• 7n⁶ + 6

(x - 1)(x - 8)

• x² + 9x + 8

• x² + 9x - 8

• x² - 9x - 8

• x² - 9x + 8

Multiply
x²(2x+3)

• x²+2x+3

• 2x+3

• 2x²+3x

• 2x³+3x²

5x(2x³+6)

• 10x⁴+30x

• 10x³+30x

• 7x⁴+11x

Find the Sum

(5x + 2) + (4x + 5)

• 9x – 7

• -9x–11

• 9x+7

Find the sum.

(2x² + 5x – 7) + ( 3 – 4x² + 6x)

• 2x² + 3x +1

• -2x² – 11x – 4

• 2x² + 5x – 7

• -2x² + 11x – 4

What is the constant in the polynomial x² – 2x + 5?

• 1

• 2

• 5

• 0

What is the leading coefficient in the polynomial 3x² – 2x + 5?

• 3

• 2

• 5

• 0