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Factoring Trinomials (a greater than 1)
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This video demonstrates how to factor trinomials where the coefficient of the x² term (a) is greater than 1. We use a method called factoring by grouping.
The video starts by explaining the concept of 'a' and then moves on to the factoring by grouping method. This method involves breaking the middle term of the trinomial into two terms, factoring the first two terms and the last two terms separately, and then factoring out the common binomial.
The video also includes a helpful tip for finding factors of a number using a calculator. This is particularly useful when dealing with larger numbers, as shown in the second example.
The video starts by explaining the concept of 'a' and then moves on to the factoring by grouping method. This method involves breaking the middle term of the trinomial into two terms, factoring the first two terms and the last two terms separately, and then factoring out the common binomial.
The video also includes a helpful tip for finding factors of a number using a calculator. This is particularly useful when dealing with larger numbers, as shown in the second example.