Expression Is Equivalent

Which expression is equivalent to 3x + 5 + 7x + 2?

• 10x + 7
• 17x
• 17
• 15x + 2

Which expression is equivalent to 4(x + 6)?

• 4x + 6
• 4x + 24
• x + 24
• 10x + 24

Which expression is equivalent to 3x + 2x + 3x + 2?

• 3x² + 2x + 2

• 10x

• 5x + 5

• 8x + 2

Which expression is equivalent to 3a² + 6a + 5a²?

• 14a²
• 14a
• 8a² + 6a
• 3a² + 11a

Simplify (-4r⁵)(2r⁸)

• -8r¹³
• -2r¹³
• -8r⁴⁰
• -2y⁴⁰

Simplify the expression: (3x³ + 3x² – 4x + 5) + (x³ – 2x² + x – 4)

• 4x³ + 1x² – 3x + 1
• 2x³ + 1x² - 5x + 9
• 6x³ + 1x - 1x² - 3
• 3x⁵ +1x - 1x⁵ - 3x

Which expression is equivalent to (x³-x²+4) - (3x³-2x²+3)?

• -2x³-3x²+7

• -2x³+x²+1

• 2x³-3x³-1

• 4x³-3x²+7

Which expression is equivalent to (x + 5)(x + 4)?

• x² + x + 20
• x² + 20x + 9
• x² + 9x + 20
• x² - 9x + 54

Which expression is equivalent to (4x+1)(5x−2)?

• 20x² + 3x − 2
• 20x² − 11x + 5
• 20x² − 18x + 2
• 20x² − 3x − 2

Which expression is equivalent to √75x² ?

• 5x²√3

• 5x

• 5x√3x

• 5x√3