multiplication and division in algebra

What is the multiplication (product) of -3x and -6x?

• -18x^2

• 18x

• 18x^2

• -18x

What is the result in multiplying (-2x) to (4x² + 3x - 3)?

• 
  A. 8x³ – 6x² + 6x

• B. -8x³ – 6x² + 6x

• C. -8x³ + 6x² - 6x

• D. 8x³ + 6x² – 6x

• A

• B

• C

• D

What is the quotient of 2⁷z⁵ divided by 2⁶z³?

• A. 2¹³z⁸

• B. 2⁷/z²

• C. Z/2⁸

• D. 2z²

• A

• B

• C

• D

^{2X (4X - 8) =}

• 8X^2 -16X

• -8X^2 + 16X

• 8X^2 + 16X

• 8X^2 - 16

a x a x a x a =

• 4a

• a^4

• 4a^4

• 16a^2

b + b + b + b + b =

• b^5

• 5b^5

• 5b

• b x 5

a² (-4a - 8) =

• -4a³ - 8a

• -4a³ - 8 a

• -4a³ - 8a²

• 4a³ - 8a²

-24a⁴b⁵c⁷ : 8a²b⁴c² =

• 3a⁶b⁹c⁹

• -3a²bc⁵

• 3a²bc⁵

• none of them

simplify

• 
• 
• 
• none of them

simplify

• 3x + 4

• 4x + 2

• 3x - 4

• 4x - 2