$4x^4-2x^3+27x^2-10x+35-x-10$
$x^2+x-56$
$\:7ac\:+\:2ad\:+\:6ad\:+\:6ac$
$56,17+49,54+9,38$
$4x^2-16x-32$
$5x^2-45x+25=0$
$\lim_{x\to-1}2x^3+3x+5$
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