5x2+8x+55x^2+8x+55x2+8x+5
∫e4x(e2x+1)2dx\int\frac{e^{4x}}{\left(e^{2x}+1\right)^2}dx∫(e2x+1)2e4xdx
2,5−47,5−4\frac{2,5^{-4}}{7,5^{-4}}7,5−42,5−4
(a−12)(a+34)\left(a-\frac{1}{2}\right)\left(a+\frac{3}{4}\right)(a−21)(a+43)
y4−22y2+121y^4-22y^2+121y4−22y2+121
∫7e7xxdx\int\frac{7e^{7\sqrt{x}}}{\sqrt{x}}dx∫x7e7xdx
(a3−3)3\left(\frac{a}{3}-3\right)^3(3a−3)3
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