$\sqrt{11.2^2}$
$x+13=-37$
$x^2+1\ge2$
$\left(3b^2+2c^2\right)\left(3b^2-2c^2\right)$
$3\cdot10-180+60+13$
$5x^2-122x+901$
$2x-\left(-5\right)=3x+15$
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