umm i learned this abt 6 months ago in an advanced class but i totally 4got, so help plz?
the equation is: 420=x^2+x
how do i solve for x?
thx for the help :)
Subtract 420 from both sides to get x^2+x-420=0.
Then, read this: rock.uwc.edu/academics/tutoring/lsc/handouts/Solving%20Quadratic%20Equations.pdf