Question
Find the LCM.$$t-3, t+3, t^{2}-9$$
Step 1
The expressions $t-3$ and $t+3$ are already factored. The expression $t^{2}-9$ can be factored using the difference of squares formula, which states that $a^{2}-b^{2}=(a-b)(a+b)$. Here, $a=t$ and $b=3$. So, we get $t^{2}-9=(t-3)(t+3)$. Show more…
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