x^2+4x-5
x^2+6x+8
solve for x:
9 raised to power 2x = 1/3 (27 raised to power x)
-2x -20y = -12; solve for x
x squared +15x+6
4 $\sqrt{\3}$ * $\sqrt{\3}$
5/3-2/3x=4/6-5/6x
5x+6y=4
2 $\sqrt{\3}$ + 2 $\sqrt{\3}$
2x+3y=5