Factoring Special Cases & Solving Quadratics

Factor 36x² - 25

• (6x - 5)(6x + 5)

• (9x + 5)(4x - 5)

• (6x + 5)(6x + 5)

• (36x - 1)(x + 25)

Factor x² + 49

• (x - 7)(x + 7)

• (x - 7)(x - 7)

• (x + 7)(x + 7)

• Does not factor

Factor x² - 49

• (x - 7)(x + 7)

• (x - 7)(x - 7)

• (x + 7)(x + 7)

• Does not factor

Factor 4x² - 81

• (4x - 9)(x + 9)

• (2x - 9)(2x + 9)

• (2x - 9)(2x - 9)

• (4x - 1)(x + 81)

Factor a² - b²

• (a + b)(a + b)

• (a - b)(a - b)

• (a + b)(a - b)

• Does not factor

Solve by factoring: x² + 12x + 35 = 0

• x = 5 and x = 7

• x = -5 and x = -7

• x = -5 and x = 7

• x = 5 and x = -7

Solve by factoring: x² - 7x + 10 = 0

• x = 5 and x = 2

• x = -5 and x = -2

• x = -5 and x = 2

• x = 5 and x = -2

Factor: x² - 7x + 10

• (x + 2)(x - 5)

• (x - 2)(x - 5)

• (x + 2)(x + 5)

• (x - 2)(x + 5)

Factor: x² + 12x + 35

• (x - 5)(x + 7)

• (x + 5)(x + 7)

• (x + 5)(x - 7)

• (x - 5)(x - 7)

Solve for x: (x - 5)(4x + 7) = 0

• x = 5 and x = -4/7

• x = -5 and x = 4/7

• x = 5 and x = -7/4

• x = -5 and x = 7/4