The document summarizes factoring trinomials of the form Ax^2 + Bx + C where A = 1 using the difference of squares formula. It provides examples of factoring x^2 + 2x + 1, j^2 - 4j - 45, p^2 + 9p - 22, and m^2 - 5m + 6. For each example, it writes the trinomial as a product of two binomials using the difference of squares formula and then verifies it using FOIL (First, Outer, Inner, Last).

1. Factoring Trinomials Ax 2 + Bx + C where A = 1 What’s the difference?

2. X 2 + 2x + 1

3. X 2 + 2x + 1 (x )(x ) + +

4. X 2 + 2x + 1 (x + )(x + ) 1 1

6. j 2 – 4j – 45

10. p 2 + 9p – 22

14. m 2 – 5m + 6