$3x^{2}$ -27 = 0
2.($\frac{\-1}{\+10}$x - $\frac{\+1}{\+2}$ )=-x + $\frac{\+2x-1}{\+3}$
30*sen[100π(t-(7/36))]=15
38. √18 (5√2+7√3) solve with solution
165.1=x*2.47+54.1
int sen(x)*cos(n*x)*dx
165.1=x*3.36+57.97
4x-2Y= 14
-3x+Y= -11
solve the following integral
(sin x − 3 cos x +2x + sec x tan x − sec2 x +x^2 + 1) dx
