Question

How do you solve
21x-24x^2+6x=9-24x^2

Answer 1

Bring everything over the the left hand side:
\[21x-24x^2+6x-9+24x^2=0\]
Simplify:
\[27x-9=0\]
Take 9 back over and divide by 27:
\[x=\frac{ 9 }{ 27 }=1/3\]