Name each polygon. Determine if it appears to be regular or not regular, pentagon
1 answer:
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Given:
The expression is
To find:
The simplified form of the expression.
Solution:
We have,
The expression can be written as
Therefore, .
Answer:
x = 3 and 7
There are two true solutions.
Step-by-step explanation:
To solve , use inverse operations by squaring both sides of the equal sign.
The quadratic expression can be factored into binomials and set equal to 0 by the zero product property to find x.
(x - 3) ( x - 7) = 0
x-3 = 0 so x=3
x-7 = 0 so x=7
Now check each solution into the original equation to be sure it solve the solution and is not extraneous.
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