Quadratic Factoring Diamond Method

When factoring a TRINOMIAL using the AC-B method, what goes on top of the cross or diamond?

• What adds to B

• What multiplies to AC

• What multiplies to AB

• What adds to AC

When factoring a TRINOMIAL using the AC-B method, what goes on the bottom of the cross or diamond?

• What multiplies to AC

• What multiplies to B

• What adds to C

• What adds to B

Factor Completely: 5n² - 6n - 27

• (5n + 3)(n-9)

• (5n - 3)(n + 9)

• (5n + 9)(n - 3)

• (5n - 9)(n + 3)