$y^48y^2+16$
$3c+5d+4c+7d-2c$
$7\left(-1\right)^4\left(2\right)^2+4\left(2\right)^3\left(-1\right)^2$
$\lim_{x\to0}\frac{\cos\left(x\right)+5x^2-\ln\left(1-x\right)}{\sin\left(\pi x\right)}$
$20\cdot38$
$\int7fdf$
$x^2\:-\:6x\:-\:7$
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