$x^2-4x>-3$
$\:5x^3\:-\:12x^3\:+\:2x\:-\:7x\:+\:15$
$325.654+26+65.897+1.23$
$\left(10x+6b\right).\left(10x-6b\right)$
$117.04-89.04$
$3+-2\cdot5$
$2x^2-8+10$
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