Basic Operations with Polynomials

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

(5x+2)(x²-3x+6)

• 5x³ - 17x² +24x +12

• 5x³ + 17x² - 24x +12

• 5x³ - 13x² + 24x +12

• 5x³ +13x² - 24x - 12

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

• x_² + 6x + 8

• 2x² + 5x - 7

• -x² -6x + 8

• -2x² + 11x - 4

Which expression is equivalent to:
(2x²+5x-7)(x-2)?

• 2x³ - x² + 17x -14

• 2x³ + 9x² + 3x +14

• 2x³ + x² + 3x +14

• 2x³ + x² - 17x +14

A = 2x² + 3x + 5
C = 3x² - 7x + 12
If A + B = C,
what must B equal?

• x² - 10x + 7

• 5x² - 4x + 17

• x² - 4x + 7

• 5x² - 10x + 17

• A
• B
• C
• D

• A
• B
• C
• D

Perform the indicated operation:
(x-3)(x-7)

• x²-10x-21

• x²+10x+21

• -9x²+21

• x²-10x+21

Find the product:
(x + 7)²

• x² + 7x + 7x + 49

• x² + 7x + 7

• 7x² + x + 7

• x² + 14x + 49