$\int\left(3x+2\right)\left(5x+4\right)dx$
$14x^2-11x+10=0$
$3x+4-5x-3+7x$
$\sqrt{\left(3-3\right)}^2+\left(-1-3\right)^2$
$-7x=42$
$x^2+y^2+z^2-1=0$
$x^2-30x-15$
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