Add Subtract Multiply Polynomials

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

• 2x² + 3x +1

• -2x² - 11x -4

• 2x² + 5x -7

• -2x² + 11x -4

(x + 5)(x + 4)

• x^2 + x + 20

• x^2 + 20x + 9

• x^2 + 9x + 20

• x^2 - 9x + 54

(4x + 3)(x + 2)

• x² + 11x + 6

• 4x² + 8x + 6

• 4x² + 3x + 6

• 4x² + 11x + 6

(3x + 1)(3x - 1)

• 9x² + 1

• 9x² - 1

• 9x² + 6x - 1

• 9x² - 6x - 1

(2x + y)(x +4y)

• 2x² + 8xy + 4y²

• 2x² + 9xy + 4y²

• 2x² + 4y²

• 2x + 9xy + 4y

Find the product:
(5n-8)(5n+8)

• 25n²-64

• 10n²

• 5n²+16

• 16

Find the product:
(3r-4)(7r-5)

• 21r²-43r+20

• 21r+43r²+9

• 7r+12r

• r+2r

Find the product:
(2x+3)²

• 2x+3+2x+3

• 4x²+12x+9

• 4x²+9

• 16x²+9

Find the difference. 
(3- 2x + 2x²) - (4x -5 +3x²)

• x_² + 6x + 8

• 2x² + 5x - 7

• -x² -6x + 8

• -2x² + 11x - 4

Find the Difference.
(4x³ -3x² + 6x - 4) - (-2x³ + x² -20)

• 4x² - 6x³ - 2x + 6

• 3x + 5x² + 1

• 6X³ -4X² + 6X + 16

• 3x + 2