Factoring a quadratic by diamond method

The video tutorial demonstrates how to factor the quadratic expression 64X^2 + 16X + 1. It begins by identifying the expression as a perfect square trinomial, where the product of the coefficients a and c is 64. The tutorial explains that the numbers 8 and 8 multiply to give 64 and add to give 16, confirming the trinomial is a perfect square. The expression is then rewritten as (8X + 1)(8X + 1), and the instructor verifies the factoring by checking each term's multiplication and addition results.

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