Combining Polynomials

Simplify the following expression:
-6 + 2x + 6

• 12 + 2x
• 2x - 12
• -2x
• 2x

Simplify: 4x² - 3x + 11 -2x

• 4x² - 5x + 11
• 11x + 11
• 16x² - 5x + 11
• 10x²

Simplify:
3x + 2x + 3y - 7y

• 5x + 10y
• 5x + 4y
• 5x - 4y
• 5x -10y

Simplify:
12b + 14p - 7

• 12b + 14p -7
• 26b - 7
• 19p
• 26p + 7

Simplify  -2x + 11 + 6x

• 8x+11
• 4x +11
• 4x
• 15x

Simplify  2x + 1 + 7x 

• 10x
• 10
• 9x + 1
• 9 + 1x

Simplify the following expression:
4x + 3t - 2x- 4

• 2x + 3t - 4
• -2x + 3t - 4
• 4x + 7t
• 4x - t

Simplify (8xy²+6xy) + (-12x²y+13xy²)

• 21xy² +12x²y+6xy

• 21xy² -12x²y-6xy

• 21xy² +12x²y-6xy

• 21xy² -12x²y+6xy

(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