$\sqrt{2x}$+3=9
simplify:(2+3 $\sqrt{\}$ 5)(2-3 $\sqrt{\}$ 5)
64^x/2=8
. ${}$
m= 4 (-1, 2)
1724/36
find the equation of a line given (b) point form
180−(180×0.15)
y+8=4,2
verify the identity 1-cos^2x=tanxsin^2x
