Last winter in the northeast the temperature was 3 degrees Fahrenheit at midnight it dropped 7 degrees every hour for 2 hours an
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You can factor out a 3t first, resulting in:
Now, let's factor the equation in the middle using the quadratic equation. Plug in the values to the quadratic equation:
Simplify, you get your x's:
To write the equation in simplified form, you just write it this way:
That's your answer ^
Now, let's factor the equation in the middle using the quadratic equation. Plug in the values to the quadratic equation:
Simplify, you get your x's:
To write the equation in simplified form, you just write it this way:
That's your answer ^