Adding and Subtracting Polynomials

Add the polynomial (-3x + 4) + (8x - 5)

• 5x - 9

• 5x - 1

• 11x - 1

• 11x - 9

• None of these

(4x³ - 5x² + 3x) + (-2x³ - x² + 6x)

• 2x³-6x²-9x

• 2x³+6x²+9x

• -2x³-6x²+9x

• 2x³-6x²+9x

• None of these

Add the following polynomials:

(x³ - 2x² + 3) + (2x³ + 3x² - 1)

• 3x³-2x²+3x+2

• 3x³+x²+2

• 3x³-5x²-2

• 3x³-x²+1

• None of these

Add the following polynomials

(x³ - 6x² + 3) + (3x³ + 4x - 1)

• 4x³-2x²+2

• 4x³-6x²+4x+2

• -2x³+2x+2

• 4x³-2x²-2

• None of these

Simplify the expression.

(4a³ - 8a - 4a²) + (7a³ - 7 - 6a)

• 11a³ - 4a² - 14a - 7

• 5a³ - 4a² - 14a - 7

• 5a³ - 4a² - 20a - 7

• 5a³ - 9a² - 20a - 7

Combine like terms:

-m + 17m - 12c + 3m + 4c + 21c

• 19m + 13c

• 21m + 37c

• 20m + 12c

• 19m - 12c

 $Simplify:\ \ 5x^2\ +\ 14y\ -9y\ +\ x^2\ -7x^2-y$  

•  $13x^2+\ 24y$  

•  $-13x^2\ +\ 13y$  

•   $-x^2\ +\ 4y$  

•  $x^2\ -\ 4y$  

 $Simplify:\ \ -6h^2\ +2j\ -\ 14h^2-\ h^2\ +\ 15j$  

•  $-20h^2+\ 13j$  

•  $20h^2\ +\ 17j$  

•  $-21h^2\ +\ 17j$  

•  $-21h^4\ +\ 17j$  

Find the sum.
(3y² + y³ - 5) + (4y² -4y + 2y³ + 8)

• 3y³ + 7y² - 4y + 3
• 4y² + 3y³ - y + 3
• -y⁴ + 2y³ -y - 4
• 4y³ + 3y² -3y + 1

Add the polynomials.
(3x³ + 3x² – 4x + 5) + (x³ – 2x² + x – 4)

• 4x³ + 1x² – 3x + 1
• 2x³ + 1x² - 5x + 9
• 6x³ + 1x - 1x² - 3
• 3x⁵ +1x - 1x⁵ - 3x