$\int\left(7x-11\right)^4dx$
$\int sen\left(\frac{7x}{4}\right)dx$
$12ax-15ax+7a^2x-6a^2x$
$\int\left(9x^2+18\right)ln\left(x\right)dx$
$-7\left(3x\:-\:4\right)$
$350-183+130$
$\int\frac{\left(2xin\left(x^2+1\right)\right)}{x^2+1}dx$
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