$\left(y+11\right)\left(y+4\right)$
$-26-\left(-14\right)-20+\left(-2\right)$
$-28-7k=-2\left(7k-7\right)$
$\frac{2+1}{3}$
$sin\left(a+b\right)+cos\left(a+b\right)$
$\int6t\sin\left(3t^2\right)dt$
$7 x + 3 \geq 5$
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