Adding and Subtracting Polynomials in Spanish

(x³-x²+4) - (3x³-2x²+3)

• -2x³-3x²+7

• -2x³+x²+1

• 2x³-3x³-1

• 4x³-3x²+7

Find the sum.
(3x³ + 3x² – 4x + 5) + (x³ – 2x² + x – 4)

• 4x³ + 1x² – 3x + 1

• 2x³ + 1x² - 5x + 9

• 6x³ + 1x - 1x² - 3

• 3x⁵ +1x - 1x⁵ - 3x

(3x + 4y - 3z) - (2x - 6y + 7z)

• x + 10y - 10z

• -x +10y - 10z

• x -10y - 10z

• -x -10y - 10z

Combine like terms to simplify:

(5x + 2) + (4x + 5)

• 9x -7

• -9x-11

• 9x+7

• x+7

Combine like terms to simplify: (12x + 7) + (3x + 8)

• 15x + 15

• 15x + 7

• 15x - 15

• 15x + 8

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

• 5x + 2

• 5x - 2

• 5x + 8

• 5x - 8

Combine like terms to simplify:

(9x + 11) + (x - 3)

• 10x + 14

• 9x + 14

• 9x + 8

• 10x + 8

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

• -4x +6y + 6z

• 4x + y + 6z

• -4x - y + 6z

• -4x + y + 6z

Find the sum.

(3x³ + 3x² – 4x + 5) + (x³ – 2x² + x – 4)

• 4x³ + 1x² – 3x + 1

• 2x³ + 1x² - 5x + 9

• 6x³ + 1x - 1x² - 3

• 3x⁵ +1x - 1x⁵ - 3x

( 6x + 3 ) + ( - 2x + 5 )

• 8x + 8

• 4x + 9

• 4x + 10

• 4x + 8