6x2−84x+126x^2-84x+126x2−84x+12
−122-12^2−122
∫(1e2x+1)dx\int\left(\frac{1}{e^{2x}+1}\right)dx∫(e2x+11)dx
5log(x)+2log (x+2)5\log\left(x\right)+2\log\:\left(x+2\right)5log(x)+2log(x+2)
45xa+20. 344\sqrt{5x^{a+20}}.\:3445xa+20.34
4x2+4x+14x^2+4x+14x2+4x+1
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