3x4−18x2−9x+63x^4-18x^2-9x+63x4−18x2−9x+6
57.09−31,5657.09-31,5657.09−31,56
log(x2−4)\log\left(x^2-4\right)log(x2−4)
64(1.3)764\left(1.3\right)^764(1.3)7
t2−36t^2-36t2−36
9−[(−5)]−(+ 7)9-\left[\left(-5\right)\right]-\left(+\:7\right)9−[(−5)]−(+7)
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