$3x^2-5x-4=0$
$y^2\cdot y^2\cdot\left(-y\right)^2$
$\left(tan35^{\circ}+tan5^{\circ}\right)\left(sen35^{\circ}+sen55^{\circ}+1\right)\left(cos35^{\circ}+cos55^{\circ}\right)$
$\int\frac{\sqrt{25-x^2}}{10x^2}dx$
$-3a^xb^nc\left(-69^3b^4c\right)$
$6x^2-116x+412=3x^2-68x-220$
$x^2+4x-6=0$
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