Factor Easy Trinomials

Factor completely. If not factorable, choose prime.

x² + 9x + 20

• (x + 2 )( x + 10 )

• (x - 2 )( x - 10 )

• (x - 4)( x - 5 )

• (x + 4 )( x + 5 )

• prime

Factor completely. If not factorable, choose prime.

x² - 6x - 16

• (x - 2 )( x + 8)

• (x - 2 )( x - 8 )

• (x + 2)( x - 8 )

• (x - 6 )( x - 16 )

• prime

Factor completely. If not factorable, choose prime.

x² + 4x - 45

• (x - 9 )( x + 5)

• (x + 9 )( x - 5 )

• (x + 15)( x - 3 )

• (x - 15 )( x - 3 )

• prime

Factor completely. If not factorable, choose prime.

a² - 7ab - 18b²

• ( a - 9b)( a + 2b)

• ( a + 9b)( a - 2b)

• ( a + 9b)( a + 2b)

• ( a - 6b)( a + 3b)

• prime

• x+4

• x+3

• x+12

• x-3

• x-4

• x+4

• x+3

• x+12

• x-3

• x-4

Factor
9x²-6x-8

Mathematical Equivalence

ON

Factor
a² - a - 12

• (a - 4)(a + 3)

• (a + 6)(a - 4)

• (a - 6)(a + 4)

• (a + 4)(a - 3)

Factor:
 b² + 8b + 7

• (b + 4)(b + 3)

• (b + 6)(b + 1)

• (b + 7)(b +1)

• prime

What is a method of checking your work when factoring?

• FOIL

• asking the teacher every time

• assume you're correct

• division