Your answer, in your set notation, is
{-2, 7}
{-2, 7}
Somebody please anwser this.
1 answer:
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First we'll substitute with
Then we can separate this.
Then we'll solve this.
Then we'll plug in to find the extraneous solutions (if any)
Answer:
Step-by-step explanation:
A quadratic equation in one variable given by the general expression:
Where:
The roots of this equation can be found using the quadratic formula, which is given by:
So:
As you can see, in this case:
Using the quadratic formula:
Therefore, the answer is: