Learn how to factor special products such as difference of 2 squares and perfect square trinomials in this free math video tutorial by Mario's Math Tutoring.

0:16 Formula for Factoring Difference of 2 Squares
0:43 Formula for Factoring Perfect Square Trinomial
1:19 Example 1 Factor x^2 - 25
1:46 Example 2 Factor 4x^2 - 9
2:10 Example 3 Factor 16x^2 - 8x + 1
3:00 Example 4 Factor x^2 + 6x + 9

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