Solve using the quadratic formula

2n^2- 15 = -4n

Step-by-step explanation:

We are given the equation:

And we want to solve using the quadratic formula.

First, isolate the equation:

Recall that for equations in the form ax² + bx + c = 0, the solutions are given by:

In this case, a = 2, b = 4, and c = -15.

Substitute and evaluate:

In conclusion, our two solutions are:

1/4 because there is 4 grades.

the answer would be 484

step-by-step explanation:

just multiply 0.484 times 1,000 (formula)