Subtraction and Additions of Polynomials

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

Add the polynomials.
(2x + 5y) + (3x - 2y)

• 3x + 5y

• 5x + 3y

• 5x + 7y

• 7xy + 1xy

• 4g²+2g

• -4g²+2g

• 4g²-2g

• 4g²+2g+12

Add the following polynomials. Enter the correct answer. (Make sure to use x from your keyboard.) (3x^2+5x-4)+(4x^2-x+14)

Mathematical Equivalence

OFF

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

• x_² + 6x + 8

• 2x² + 5x - 7

• -x² -6x + 8

• -2x² + 11x - 4

Simplify the expression.
(4n⁴ - 8n + 4) - (8n² + 4n⁴ + 1)

• -8n² - 8n + 3 

• -7n² - 8n + 3 

• -6n² - 8n + 3

• -7n² - 4n + 3

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

• -11x - 2

• - 5x + 2

• - 5x - 2

• - 5x - 6

(3x - 10h) - (x - 8h) =

• 4x - 18h

• 2x - 18h

• 2x + 2h

• 2x - 2h

(7x - x²) - (9x² + 2x) =

• 10x² + 5x

• -10x² - 5x

• - 5x + 10x²

• 5x - 10x²