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Here are the simplified forms of the given expressions:
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The expression
can be factored by recognizing it as a difference of squares: it becomes
, which can be further factored to
. This elegant factoring helps highlight the roots of the equation, which are
.
Another great example is the expression
, which is a difference of squares. This can be factored into
using the formula
. This technique often simplifies solving related equations and helps visualize the relationships between variables!