Polynomials Add Subtract Multiply

Multiply:

(b + 3) (b² + 2b + 1)

• b³ + 6b² + 6b + 3

• b³ + 5b² + 7b + 3

• 4b³ + 8b² + 3b

• 3b³ + 6b² + 3b

(3x + 4y – 3z) – (2x – 6y + 7z)

• x + 10y – 10z

• -x +10y – 10z

• x – 10y – 10z

• -x – 10y – 10z

(5x⁴ – 4x³ – 2x² + x – 19) – (x⁴ + 5x³ + 8x² + x + 5)

• 4x⁴ – 9x³ – 10x² – 24

• 4x⁴ – 9x³ – 10x² – 2x – 24

• 4x⁴ – 9x³ – 10x² + 2x – 24

• -4x⁴ – 9x³ – 10x² – 24

Find the sum.

(2x² + 5x – 7) + ( 3 – 4x² + 6x)

• 2x² + 3x +1

• -2x² – 11x – 4

• 2x² + 5x – 7

• -2x² + 11x – 4

(3x – 5) ( 4x² – 2x – 3)

• 12x³ – 26x² – 25x + 15

• 12x³ – 20x² – 5x + 15

• 12x³ – 20x² – 6x + 15

• 12x³ – 26x² + x + 15

Multiply:

(x + 1) (x - 6) (x + 4)

• x³ - x² - 26x - 24

• x³ - 9x² - 14x - 24

• x³ - 11x² - 24x - 24

• x² - 5x - 6

Find the Sum: (4x - 2x³) + (5x³ - 4x + 5)

• 3x³ + 5

• 3x³ + 8x + 5

• 3x² + 5

• 7x³ + 8x + 5

Find the difference:

(3 – 2x + 2x²) – (4x – 5 +3x²)

• x² + 6x + 8

• 2x² + 5x – 7

• -x² – 6x + 8

• -2x² + 11x – 4

Multiply

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Multiply: 3m²n ( 4m² - 5n + 3 )

• 3m⁴n - 15m²n² + 9m²n

• 12m⁴n - 15m²n² + 9m²n

• 12m²n + 15m²n² - 9m²n

• 4m⁴n - 5m²n² + 3m²n