Addition and Subtraction of Polynomials

(-8x - 3) + (7x + 5)

• -x + 2

• -x - 2

• x + 2

• x - 2

Terms in a polynomial are separate by

• A. Parenthesis

• B. multiplication/division

• C. constant

• D. addition/ subtraction

Find the sum.

• 3x³ + 7x² - 4x + 3

• 4x² + 3x³ - x + 3

• -x⁴ + 2x³ - x - 4

• 4x³ + 3x² - 3x + 1

Simplify each expression.

Find the sum.

2(2x² + 5x - 7) + ( 3 - 4x² - 6x)

• 2x² + 3x +1

• -2x² - 11x -4

• 4x - 11

• -2x² + 11x -4

Simplify the expression.

(4a³ - 8a - 4a²) + (7a³ - 7 - 6a)

• 11a³ - 4a² - 14a - 7

• 3a³ - 4a² - 14a - 7

• 5a³ - 4a² - 20a - 7

• 5a³ - 9a² - 20a - 7

(5x³- x² + 4) - (3x³ - 2x² - 3)

• -2x³ - 3x² + 7

• -2x³ + x² + 1

• 2x³ + x² + 7

• 4x³ - 3x² + 7

Simplify the following expression.

Perform the indicated operation . Write answer in descending order ( 3x² - 8x + 7 ) + ( 8x² + 9x - 16 )

• 11x⁴ + x² - 9

• 11x² - x - 9

• 11x² -17x - 11

• 11x² + x - 9

Perform the indicated operation. Write answer in descending order. ( 8x² - 12x + 6 ) + ( 7x³ + 8x - 15 )

• 15x² - 4x - 9

• 7x³ + 8x² - 4x - 11

• 7x³ + 8x² - 4x - 9

• 15x² - 4x - 11