$b+a^3+-20=190$
$12\cdot10$
$x^2-12x+1225=0$
$-5g-8g$
$10\cdot10^{18}$
$f\left(x\right)=\frac{3x-1}{x}-\left(5x-x^2\right)^2$
$x^2-3x^3+8x^4$
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