Special Factor Quadratics

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 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 4x² - 81

• (4x - 9)(x + 9)

• (2x - 9)(2x + 9)

• (2x - 9)(2x - 9)

• (4x - 1)(x + 81)

Solve by factoring!

• -2, 4

• -8

• ±8

• No real solution

Solve by factoring: x² + 3x - 18 = 0
Put the solutions in order from least to greatest.

{​ (a)   ,​ (b)   }

• -6

• 3

• 6

• -3

• 9

• -2

• -9

• 2

• 18

• -1

Practice Problem 7

Larger answer

Mathematical Equivalence

ON

Practice Problem 5

Enter the larger answer

Mathematical Equivalence

ON

Solve by factoring: x² - 5x + 6 = 0
Put the solutions in order from least to greatest.

• -6

• 3

• 6

• -3

• 9

• -2

• -9

• 2

• 18

• -1