Solving Equations Factoring

Solve by Factoring:

10x² + 19x + 6 = 0

• -2/5, -3/2

• 3/5, 1/2

• 2/5, 3/2

• -3/5, -1/2

Tags

CCSS.HSA-REI.B.4B

Solve by Factoring:

5x²+13x=6

(Select all possible solutions)

• 3

• 2/5

• -3

• -2/5

Solve by Factoring: 7x²-20x=3 (Select all possible solutions)

• 3

• 1/7

• -3

• -1/7

Tags

CCSS.HSA-REI.B.4B

Solve for x by factoring.
2x² + 17x + 21 = 0

• x= ^-21/₂, -17

• x= ²/₃, 16

• x=-7, ^-3/₂

• x=15, -³/₇

Tags

CCSS.HSA-REI.B.4B

Solve by factoring: x² = 9x - 20

• x = -4 and x = -5

• x = 20 and x = -9

• x = 4 and x = 5

• x = -4 and x = 5

Tags

CCSS.HSA-REI.B.4B

Solve
6x² + 17x + 12 = 0

• x = -4/3, x = -3/2

• x = 9, x = 8

• x = 4, x = 3

• x = -4, x = -3

Tags

CCSS.HSA-REI.B.4B

Solve
5x² - 28x + 32 = 0

• x = 10/3, x = -6

• x = 8, x = 4/5

• x = 8/5, x = 4

• x = 8/5, x = -7

Tags

CCSS.HSA-REI.B.4B

Solve by factoring:  2x²+ 7x + 6 = 0

• x= 3/2 and x = 2

• x = -3/2 and x = -2

• x = 6 and x = 7

• x = -6 and x = -7

Tags

CCSS.HSA-REI.B.4B

What is the first step in solving 
(x + 2)(x - 3) = 0      ?

• Plug in zero for x

• Solve for x

• FOIL

• Set each binomial factor equal to zero

Tags

CCSS.HSA-REI.B.4B

What are the factors AND solutions of x² + 2x – 3 = 0

• (x - 2)(x + 1); x=2, x=-1

• (x + 1)(x - 3); x=-1, x=3

• (x + 2)(x - 1); x=-2, x=1

• (x - 1)(x + 3); x=1, x=-3

Tags

CCSS.HSA-REI.B.4B