Question

-7n(n-4)-5n=124

Answer 1

first have it in the form of a quadratic equation which is ax^2 +bx+c. So the equation would be -7n^2 + 16n-124=0. next do the quadratic formula/factor polynomials which both work lets do the quadratic formula...

Answer 2

ok

Answer 3

\[x=-16\sqrt{16^2-4(7)(-124)}/2(7) \]

Answer 4

can u do the rest?

Answer 5

yeah