Positive squares

A:      B:     

Difference of Two Squares

A² - B²

Samples of

Factoring Difference of Two Squares:

x² - 9 = ( x + 3)(x - 3)

       9x² - 16 = ( 3x + 4)(3x - 4)

Positive squares

A:      B:    

Trinomial Squares

B² + 2AB + A²

Samples of

Factoring Trinomial Squares

x² + 6x + 9 = (x + 3)(x + 3)

4x² + 12x + 9 = (2x + 3)(2x + 3)

Positive squares

A:      B:    

Trinomial

x² + (A + B)x + AB

Sample of