Polynomials Adding and Subtracting

(2x + 5y - z) + (-6x - 4y + 7z)

• -4x +6y + 6z

• 4x + y + 6z

• -4x - y + 6z

• -4x + y + 6z

• None of these

(4x³-5x²+3x)+(-2x³-x²+6x)

• 2x³-6x²-9x

• 2x³+6x²+9x

• -2x³-6x²+9x

• 2x³-6x²+9x

• None of these

Add the following polynomials

(x³-6x²+3)+(3x³+4x-1)

• 4x³-2x²+2

• 4x³-6x²+4x+2

• -2x³+2x+2

• 4x³-2x²-2

• None of these

Simplify the expression.

• 11a³ - 4a² - 14a - 7

• 5a³ - 4a² - 14a - 7

• 5a³ - 4a² - 20a - 7

• 5a³ - 9a² - 20a - 7

• 3x³+5x²+3x+15

• 3x³+6x²+3x+16

• 3x³+6x²+3x+15

• 2x³+5x²+2x+16

• 4g²-2g

• 4g²+4g-6

• 6g²+2g+6

• 4g²+2g

(3x²+xy-5y²) + (2x²-xy+3y²)

• 5x²-2xy+8y²

• 5x²-2y²

• 5x²+2y²

• 5x²+2xy-8y²

• None of these

Add the polynomials.

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

• -1xy - 3x² + 4y² + 1y + 3

• -1xy + 1x² + 1y + 3

• -1xy + 1y² + 1y + 3

• 1xy + 3x² + 4y² + 1y + 3

• None of these

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

• None of these

Add the polynomial (-3x + 4) + (8x - 5)

• 5x - 9

• 5x - 1

• 11x - 1

• 11x - 9

• None of these