Factoring a trinomial 3x^2 - 16x + 5

The video tutorial explains the process of factoring a quadratic equation by grouping. It begins with identifying the equation's components and highlights common mistakes, such as neglecting negative signs. The instructor demonstrates rewriting the equation to facilitate grouping and then details the steps to factor by grouping. The tutorial concludes with verifying the factored equation to ensure accuracy.

How do you ensure that the negative sign is correctly accounted for when factoring?

What are the two numbers that multiply to give 15 and add to give -16?