Finite Math Examples

Factor by Grouping (x^2+x-6)*(x^2-16)
Step 1
The polynomial cannot be factored using the grouping method. Try a different method, or if you aren't sure, choose Factor.
The polynomial cannot be factored using the grouping method.
Step 2
Factor using the AC method.
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Step 2.1
Consider the form . Find a pair of integers whose product is and whose sum is . In this case, whose product is and whose sum is .
Step 2.2
Write the factored form using these integers.
Step 3
Rewrite as .
Step 4
Factor.
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Step 4.1
Since both terms are perfect squares, factor using the difference of squares formula, where and .
Step 4.2
Remove unnecessary parentheses.