Find the missing side lengths. Answers are in simplest radical form with the denominator rationalized.
2 answers:
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Answer:
Step-by-step explanation:
Given
Required
The equivalent
We have:
Expand
Collect like terms
Hence, the equivalent is:
Every single one of those polynomials factors. When factored, your expression looks like this: 
. When you cancel the like factors out, what you're left with is this: 
. That means that b = 9, c = 1, and d = -2