$m^2-30m-675$
$1\cdot10^{10}$
$3^2-9x$
$-\left(1-x-2\left(1-x-3\left(5-6x\right)\right)\right)\ge2$
$\left(x+2\right)^2=292$
$3^2+3^6$
$8x-3+4x-3$
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