This requires reordering in descending powers before beginning to factor. There could be something like that is not in descending powers of. For instance, the original terms might be mixed up. There are a number of variations potentially encountered when factoring trinomials. Now, split this into two binomials as done in the previous section and factor. Now take the original trinomial and break the into and. Look for the pair of integers that multiplies to −20 and adds to −11, so that it matches the equation that you started with.įor this example, the pair is, which adds to −1. The next task is to find all possible integers that multiply to −20 and their sums. Start by multiplying the coefficients from the first and the last terms.
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