to maintain a healthy diet, no more than 30% of calories consumed each day should come from fat. a normal teenage girl needs abo
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A quadratic equation is written in the form
Looking at the second, third, and fourth options, we see that the highest powers are greater than two, which automatically disqualifies them from being quadratics (since the highest power in a quadratic is 2).
This makes the first option the correct choice since the expansion of the equation gives