Wriite a function in Scheme which accepts two arguments, x and a in this example. The function will calculate the following mathematical formula and...

Wriite a function in Scheme which accepts two arguments, x and a in this example. The function will calculate the following mathematical formula and return the result. In case you are wondering, it's a made up formula, don't try to figure out what it does. (5)

x^2 + 3x - 10 / 2a + 10