25x2−12x+3625x^2-12x+3625x2−12x+36
18x2+69x+3018x^2+69x+3018x2+69x+30
∫(−x4−9x2)dx\int\left(-\frac{x}{\sqrt{4-9x^2}}\right)dx∫(−4−9x2x)dx
xy′ + 4y = 14x3 + 20xxy'\:+\:4y\:=\:14x^3\:+\:20xxy′+4y=14x3+20x
4⋅2−18⋅2−404\cdot2-18\cdot2-404⋅2−18⋅2−40
f′(x)=8ex−6x;f(0)=15f^{\prime}\left(x\right)=8e^{x}-6x;f\left(0\right)=15f′(x)=8ex−6x;f(0)=15
∫−3x7dx\int - 3 x ^ { 7 } d x∫−3x7dx
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