Combining Like Terms

Simplify: x + 3x + 6x + x

• 9x

• 11x

• 2x + 9x

• Can't be simplified

Simplify: 4q + 4t + 3q + t

• 12tq

• 3q + 4t

• 7q + 5t

• Can't be simplified

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

3x²-x+2-5x²+8x-5

• 8x²+9x+7
• -2x²+7x-3
• 2x²+7x-3
• 5x²-3

Simplify by combining like terms:
4x² - 3x + 11 -2x

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

• Can't be simplified

Simplify: 8x² + 5x + 2y + x

• 14x + 2y

• 13x²+ 2y + x

• 8x² + 6x + 2y

• 8x² + 7xy + x

Simplify:

8y² + 7xy – 2y² - 5xy + 2x

• 3x² + 3xy + 6y

• 6y² + 2xy + 2x

• 7x² + 35x

• 3x² + 6xy + y

Which of these are like terms in the following expression:
3x + 7 - 9x + 24y + 2x²

• 7, 24y
• 3x, 9x
• 3x, -9x
• 3x, -9x, 2x²

–4d⁸ – 3 + 5d⁴– 8d⁸ + 7

• 4 + 5d⁴ - 12d⁸
• 4 + 5d⁴ - 4d⁸
• 4 - 5d⁴ - 12d⁸