−386+2009-386+2009−386+2009
sec(−x)−cos(x)\sec\left(-x\right)-cos\left(x\right)sec(−x)−cos(x)
7+2x−10x35x2+3\frac{7+2x-10x^3}{5x^2+3}5x2+37+2x−10x3
(3x5)(6x4+x)4\left(3x^5\right)\left(6x^4+x\right)^4(3x5)(6x4+x)4
6(4)(2)+−5(2)(−5)+−12(−3)6\left(4\right)\left(2\right)+-5\left(2\right)\left(-5\right)+-12\left(-3\right)6(4)(2)+−5(2)(−5)+−12(−3)
16.3−87.2316.3-87.2316.3−87.23
18−3(4−2)18-3\left(4-2\right)18−3(4−2)
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