Question

How do you solve `3n ^ { 2} - 7n = 3`?

Answer 1

`x=(49+-sqrt85)/6`

Explanation:

`3n^2-7n=3`
`3n^2-7n-3=0`

Using the quadratic formula, `x=(-b+-sqrt(b^2-4ac))/(2a)`

`x=((-7)^2+-sqrt((-7)^2-4(3)(-3)))/(2*3)`

`x=(49+-sqrt(49+36))/6`

`x=(49+-sqrt85)/6`