Solving Polynomials

Solve b² + b = 6

• b = 2 and -3

• b = -2 and 3

• b = -2 and -3

• b = 2 and 3 

What are the solutions to this equation? (x-3)(x+2)=0

• x=3,-2

• x=-3,2

• x=2,3

• x=3,2

Solve (2x -8) (x + 5) = 0 

• x = 5, x = 8

• x= -4, x = 5

• x= 4, x = -5

• x= -5, x = -8

Factor:   x³ + 1

• (x + 1)³

• (x+1)(x² - x + 1)

• (x - 1) (x² + x - 1)

• (x + 1)(x² - 2x + 1)

Factor: 8x³ - 1

• (2x - 1)(4x² + 2x + 1)

• (2x + 1)(4x² - 2x + 1)

• (2x - 1)(4x² - 2x - 1)

• (2x + 1)(4x² +2x + 1)

Solve by factoring.

• A

• B

• C

• D

Solve the quadratic equation by factoring
a² + 10a + 21 = 0

• ± √21

• -3 , -7

• 3 , 7

• 28 , -7

• A
• B
• C
• D

Factor completely:
2x³ + 5x² - 8x - 20

• (x² - 4)(2x + 5)

• (2x - 5)(x² + 4)

• (2x² - 4)(x + 5)

• (x - 2)(x + 2)(2x + 5)

What are the zeros for this function?

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