$\int\frac{s+1}{s\left(s-4\right)}ds$
$x2+6x+2=2$
$3a+6a-7a+5a-8a-6a$
$y^4+8y^2+16y=0$
$6b+4a-2a^2+b^2;\:a=7;\:b=6$
$4x^3+1+1x^2$
$\frac{\sin\left(5x\right)+\sin^2x}{\sin\left(5x\right)+\sin\left(x\right)}$
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