Factor out a GCF & when a=1

5x² + 20

• 5(x + 4)

• 5x(x + 4)

• 5(x² + 4)

• 5x²(x + 4)

Tags

CCSS.7.EE.A.1

Factor completely.

x² - 11x + 24

• ( x - 3 ) ( x - 8 )

• ( x - 4 ) ( x - 6 )

• ( x + 3 ) ( x - 8 )

• ( x - 3 ) ( x + 8 )

Factor completely.

x² + x - 30

• ( x + 10 ) ( x - 3 )

• ( x - 6 ) ( x - 5 )

• ( x - 6 ) ( x + 5 )

• ( x + 6 ) ( x - 5 )

When factoring when a=1, we look for two numbers that ______ to b, and _________ to a(c).