$y'+x^2y=x^2$
$-2\left(5y+1\right)=-4\left(y+6\right)-2$
$\int\sqrt{2+x^2}sx5\:dx$
$x^2+y+3=2x$
$u^4+6u^2+8$
$950\cdot99+950$
$x=-x^2-3x+2$
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