Solve Perfect Square by Factoring

Factor: x² - 30x + 225

• (x + 15)²

• (x - 15)²

• (x + 25)²

• (x - 25)²

Factor completely: 49x²+28x+4

• (49x+4)(x+1)

• (7x+2)²

• (7x+1)(7x+4)

• (7x-2)²

Which of the following is a difference of perfect squares?

• x² - 18

• 4x² + 36 

• 9x² - 100

• x² + 4

Factor the Perfect Square Trinomial:

n² + 10n + 25

• (n + 5)(n - 5)

• (n + 25)(n + 1)

• (n - 5)²

• (n + 5)²

What is the best method to factor x² - 6x + 9

• greatest common factor out

• product of two binomials

• difference of two squares

• perfect square trinomial

Factor completely.

• ±1.5
• 1.5
• ±1
• No real solution

Factor the Perfect Square Trinomial:

x² - 20x + 100

• (x - 10)²

• (x + 10)²

Factor completely.

Factor the Perfect Square Trinomial:

x² + 18x + 81

• (x + 9)(x – 9)

• (x + 18)²

• (x + 9)²

• (x + 6)²