What is 4 equals 5n plus 6n2?

Answer 1

4 = -5n + 6n2

if you want to solve for n:

6n2 - 5n - 4 = 0

(3n - 4)(2n + 1) = 0

3n - 4 = 0, n = 4/3

2n + 1 = 0, n = -1/2

n = {-1/2, 4/3}

Answer 2

4 = 5n + 6n2 is a quadratic equation.