Adding and Subtracting Polynomials and Multiplying Polynomials

Find the sum.
(8u³ + 2u² + 7) + (3u³ – 7u² + 8u)

• 11u³ – 7u² + 2u – 15

• 11u³ – 5u² + 8u + 7

• 15 – 7u + 2u² + 11 u³

• 5u³ + 2u² – 7u + 15

Find the sum.
(2x² + 5x - 7) + ( 3 - 4x² + 6x)

• 2x² + 3x +1

• -2x² - 11x -4

• 2x² + 5x -7

• -2x² + 11x -4

Find the product.
(2x + 3)(x + 5)

• 2x² + 13x + 15

• 3x² + x + 8

• 10x + 15

• 2x² + 3x

Find the product.
(x + 7)²

• x² + 7x + 7x + 49

• x² + 7x + 7

• 7x² + x + 7

• x² + 14x + 49

(4x+1)(5x−2)

• 20x² + 3x − 2

• 20x² − 11x + 5

• 20x² − 18x + 2

• 20x² − 3x − 2

Simplify the product.
2n(n² + 3n + 4)

• 2n³ + 6n² + 8n

• 2n³ + 3n + 4

• 2n³ + 6n + 8

• n² + 5n + 4

Simplify the product.
(5h - 3)(3h+7)

• 15h²-44h+21

• 15h²-26h+21

• 15h²+44h-21

• 15h²+26h-21

Multiply.
(b+3)(b²+2b+1)

• b³+6b²+6b+3

• b³+5b²+7b+3

• 4b³+8b²+3b

• 3b³+6b²+3b

Simplify:

• 0

• -3n³ +8n

• -3n⁶ 

• -6n³

Simplify the expression.
-3x²( 7x² - x + 4)

• -21x⁴ + 3x³ -12x²

• 7x² - x + 4 (-3x²)

• 21x⁴ + 3x³ + 12x²

• -12x² + 3x³ -21x⁴