$8x\:+\:4y\:=\:4\left(2x\:+\:y\right)$
$m^2+3m-2$
$3\left(3\right)-3$
$6y^2\left(2y^0\right)^2$
$\int\left(\frac{x^2}{\sqrt{4x^2-1}}\right)dx$
$x ^ { 3 } - 2 x ^ { 2 } - 15 x$
$-3-\frac{2\left(1-i\right)^7}{\left(1+i\right)^7}$
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