7k+17=30
simplest form
(3x-2)(-5x+8)+6x-4=0
"12/9*23^5*(23+90)
(1+2/i)(3+4/i)(5+i)-1
u/3-13=-2
u=
|2x/3+8|=10
20% OF 4000
2x/3+8=10
5x²=-2x
(x+1)^6