$x+3^2-4$
$2 y ^ { 2 } + 6 y ^ { \prime } - 176 y = 0$
$4\:sin^2x+8cos\:x-7=0$
$8\:\left(2+8+16+\right)$
$\int\frac{x^2+7x-6}{x^3-x^2+x-1}dx$
$\int5x^4\left(x^5-4\right)^7dx$
$\int\left(\frac{e^{2x}-1}{e^{2x}+3}\right)\:dx$
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