Polynomials Check

Find the sum.
(3y² + y³ - 5) + (4y² -4y + 2y³ + 8)

• 3y³ + 4y² - y + 3
• 4y² + 3y³ - y + 3
• -y⁴ + 2y³ -y - 4
• 4y³ + 3y² -3y + 1

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

• 3x² + 2x + 1
• 2x² + 3x +1
• 2x² + 5x - 7
• 3x² + 4x⁵ -7x

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

• x_² + 6x + 8
• 2x² + 5x - 7
• -x² -6x + 8
• -2x² + 11x - 4

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

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

Find the difference.
(7p + 4p³ - 8) - (-3p² + 2 - 9p)

• -3p² + 4p³ -15 + 9
• 3p³ + 4p² - p + 3
• 4p³ -3p² +16p -10
• 4p³ +3p² + 16p + 10

(x³-x²+4) - (3x³-2x²+3)

• -2x³-3x²+7
• -2x³+x²+1
• 2x³-3x³-1
• 4x³-3x²+7

(3x²-6x+xy) + (2x³- 5x²-3y) + (7x + 8y)

• 2x³ - 8x² + x + xy + 5y
• 2x³ - 2x² + x + xy - 5y
• 2x³ - 2x² + x + xy + 5y
• 2x³ - 2x² - x + xy + 5y

(2x²-4y+7xy-6y²) - (-3x²+5y-4xy+y²)

• -5x² + 9y - 11xy + 7y²
• -x² + y + 3xy - 5y²
• -x² - 9y + 11xy - 7y²
• 5x² - 9y + 11xy - 7y²

(3x²-5x+ 8y+7xy+2y²) - (4x²+2x-3y+7xy-3y²)=

• -x² - 7x + 11y + 5y²
• x² + 7x + 11y - y²
• 7x²-3x+5y+14xy-y²
• -x² - 7x + 11y + 14xy + 5y²

(5x⁴-2x²+4x-3) -  (5x⁴+ 3x³- 4x+3)

• -3x³ - 5x²  + 8x  - 6
• -3x³ - 2x²  + 8x  - 6
• -3x³ - 2x²
• 3x³ - 2x²