3x−8=5x+4\:3x-8=5x+43x−8=5x+4
9−n43+n2\frac{9-n^4}{3+n^2}3+n29−n4
5a+7a2+13+8a+−6a25a+7a^2+13+8a+-6a^25a+7a2+13+8a+−6a2
limx→π2(2cos(3x)cos(−7x))\lim_{x\to\frac{\pi}{2}}\left(\frac{2cos\left(3x\right)}{cos\left(-7x\right)}\right)x→2πlim(cos(−7x)2cos(3x))
∫(xa4−x4)dx\int\left(\frac{x}{\sqrt{a^4-x^4}}\right)dx∫(a4−x4x)dx
x2−50=0x^2-50=0x2−50=0
(x−4)(3x2 − 4x −16)\left(x-4\right)\left(3x^{2\:}-\:4x\:-16\right)(x−4)(3x2−4x−16)
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