27-18 / -189+45
-4+q/8a=1/2a+2-e/4a
f-5/6=2
n-6=1/8
+9-|-5|
3x^3 −5x^2 + 2x−4 by 𝑥−2
divide using long polynomial division
$$\int_{\2}^{\9}(\ $\sqrt{\4+x^2}$ ) d\x $\$ $$
2e-3-1/5e=7/5+3e+4
log 100 - 2 log 0.001
tan^-1(2)