Solving by factoring.

Factor:

x² + 7x - 30

• (x - 7)

• (x - 10)

• (x + 3)

• (x + 10)

Factor

x² + 9x - 36

• (x - 3)

• (x + 9)

• (x + 3)

• (x - 9)

x² - 16

• Prime
• ( x - 4) ( x + 4) 
• ( x - 8) ( x + 8) 
• ( x - 4) ( x - 4) 

Tags

CCSS.HSA.APR.C.4

Factor: x² + 2x – 3

• (x - 2)

• (x - 3)

• (x + 2)

• (x - 1)(x + 3)

Factor:

2m² + 3m - 9

• (m + 3)(m - 3)

• (2m - 3)²

• (m + 3)(2m - 3)

• (2m + 3)(m - 3)

• -2, 4

• -2, -4

• 2 , -4

• 2, 4

Solve

(2x - 2)(5x + 5) = 0

• x = -1

• x = -1 or x = 1

• x = 1

• x = -2 or x = 5

Solve by factoring

• -4, 2

• -2, 4

• -16

• -4

Solve
4m² - 100 = 0

• m=25, -25
• m=96
• m=5, -5
• m=-96

Tags

CCSS.8.EE.A.2

Solve
16a² - 9 = 0

• a = ^-3/₄, ³/₄ 
• a = ^-4/₃, ⁴/₃ 
• a = ^-9/₁₆, ⁹/₁₆ 
• a = ^-16/₉, ¹⁶/₉ 

Tags

CCSS.HSA-REI.B.4B