Adding, Subtracting, Multiplying, Dividing Polynomials

5x²y-xy²+5x-3)+(4xy²-3y+7xy-5)+(2x²y-3xy

• 7x²y + 3xy² - 3y + 4xy + 5x - 8

• 7x²y + 3xy² - 3y + 4xy + 5x + 2

• 7x²y - 5xy² - 3y + 4xy + 5x - 8

• 3x²y + 3xy² - 3y + 4xy + 5x - 8

Dividex⁴ + x³ +2x² +x -1  by (x+1)

• x² + 2x -1

• x³ + 2x-1

• x² - 2x + 1

• x³ - 2x + 1

Multiply (3x – 1)(x + 5) 

• 3x² + 4x + 5

• 3x² + 4x - 5

• 3x² + 14x + 5

• 3x² + 14x - 5

Multiply: (r + 7)(r − 7)

• r ² − 49 

• r ² + 14

• r ² − 7r + 49 

Multiply (n - 5)(n - 1)

• n² - 5n + 5

• n² - 6n + 5

• n² + 5

• n² + 6n + 5

Multiply (3x+2)(5x-4)

• 15x²-22x-8

• 15x²-2x-8

• 15x²-8

• 15x²+2x-8

Simplify:

• 6x² - 20x + 6 

• 6x - 5

• -14x +6

• 6x² - 11x - 6

Find the sum: (8u³ + 2u² + 7) + (3u³ – 7u² + 8u)

• 11u³ – 7u² + 2u – 15

• 15 – 7u + 2u² + 11 u³

• 11u³ – 5u² + 8u + 7

• 5u³ + 2u² – 7u + 15

Multiply: (4x - 1)(3x² - 2x + 5)

• 12x³ - 11x² + 22x - 5

• 12x³ - 5x² + 8x - 5

• 12x³ - 3x² + 14x - 5

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

• 2x² + 3x + 1

• 2x² + 5x - 7

• -2x² - 11x - 4

• -2x² + 11x - 4