Addition and Subtraction of Polynomial

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

• 15h + 9k

• 15h + 8k

• 14h + 9k

• 14h + 8k

(5x² - 7xy) - (-2xy +3x²) =

• 2x² - 5xy

• 2x² + 5xy

• - 2x² - 5xy

• - 2x² + 5xy

(3x²y + xy²) - (3xy² - x²y)

• 2x²y + 4xy²

• 2x²y - 4xy²

• - 2x²y + 4xy²

• - 2x²y - 4xy²

Add: 5x – 2 + y and –3y + 5x + 2

• -10x – 2y

• 10x – 2y

• 10x + 2y

• 2x – 10y

Find the sum.

(3x² + x³ - 5) + (4x² - 4x + 2x³ + 8)

• 3x³ + 7x² - 4x + 3

• 4x² + 3x³ - x + 3

• -x⁴ + 2x³ - x - 4

• 4x³ + 3x² - 3x + 1

Simplify the following expression.

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

• 4x + 7

• 4x - 7

• 7x - 4

• 4x - 17

(9x + 8a) + (6x + a) =

• 15x + 9a

• 15x + 8a

• 14x + 9a

• 14x + 8a

Find the sum.

2(2x² + 5x - 7) + ( 3 - 4x² - 6x)

• 2x² + 3x +1

• -2x² - 11x -4

• 4x - 11

• -2x² + 11x -4

(5x³- x² + 4) - (3x³ - 2x² - 3)

• -2x³ - 3x² + 7

• -2x³ + x² + 1

• 2x³ + x² + 7

• 4x³ - 3x² + 7