Add, Subtract and Multiply Multivariate Polynomials

Find the difference
(4n⁴ - 8n + 4) - (8n² + 4n⁴ + 1)

• -8n² - 8n + 3 

• -7n² - 8n + 3 

• -6n² - 8n + 3

• -7n² - 4n + 3

Multiply.

(2b+3)(3b²+2b+1)

• A

  6b³ + 6b² + 6b + 3

• B

  6b³ + 13b² + 8b + 3

• C

  5b³ + 8b² + 3b + 4

• D

  5b³ + 6b² + 3b + 4

Simplify the expression.
(4a³ - 8a - 4a²) + (7a³ - 7 - 6a)

• 11a³ - 4a² - 14a - 7 

• 5a³ - 4a² - 14a - 7 

• 5a³ - 4a² - 20a - 7 

• 5a³ - 9a² - 20a - 7

Simplify:

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

• 15x+10

• 17x+7

• 15x+7

• 17x+13

Which expression is equivalent to 2(3g - 4) - (8g + 3)?

• -2g - 1

• -2g - 5

• -2g - 7

• -2g - 11

Find the product:
(5n-8)(5n+8)

• 25n²-64

• 10n²

• 5n²+16

• 16

Find the product:
(2x+3)²

• 2x+3+2x+3

• 4x²+12x+9

• 4x²+9

• 16x²+9

5x(2x³+6)

• 10x⁴+30x

• 10x³+30x

• 7x⁴+11x

Multiply
x²(2x+3)

• x²+2x+3

• 2x+3

• 2x²+3x

• 2x³+3x²

Find the Sum

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

• 9x – 7

• -9x–11

• 9x+7