Addition and Subtraction of Polynomials

(5 + 3d) + (d - 12) =

• 4d + 7
• 4d - 7
• 7d - 4
• 4d - 17

(3h - 4) - (8h - 2) =

• -11h - 2
• - 5h + 2
• - 5h - 2
• - 5h - 6

(9h + 8k) + (6h + k) =

• 15h + 9k
• 15h + 8k
• 14h + 9k
• 14h + 8k

(3p - 10q) - (p - 8q) =

• 4p - 18q
• 2p - 18q
• 2p + 2q
• 2p - 2q

(6x² + x) + (7x² - x) =

• 13x² + 2x
• 13x² - 2x
• 13x²
• -13x² 

(7x - x²) - (9x² + 2x) =

• 10x² + 5x
• -10x² - 5x
• - 5x + 10x²
• 5x - 10x²

(5x² - 7xy) - (-2xy +3x²) =

• 2x² - 5xy
• 2x² + 5xy
• - 2x² - 5xy
• - 2x² + 5xy

- (3x²y + xy²) - (3xy² - x²y)

• 2x²y + 4xy²
• 2x²y - 4xy²
• - 2x²y + 4xy²
• - 2x²y - 4xy²

Find the sum.
(2x² + 5x - 7) + ( 3 - 4x² + 6x)

• 2x² + 3x +1
• -2x² - 11x -4
• 2x² + 5x -7
• -2x² + 11x -4

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