$f\left(x\right)=6x^2-2x+16$

$\frac{b^2-1}{b^2+2b+1}$

$\tan\left(30\right)\cot\left(30\right)-\cos\left(67\right)\sin\left(23\right)$

$20-10\cdot\left(13+7-18\right)$

$+7y-4y+6y-97y$

$16x^2-8xy+4x^2$

$\left(3.25\right)-\left(-11.75\right)-\left(1.25\right)-\left(4.25\right)-\left(0.25\right)-\left(-10.75\right)-\left(13.25\right)-\left(0.25\right)-\:\:\:\:\left(-8.75\right)-\left(16.25\right)-\left(-6.75\right)-\left(-18.75\right)-\left(20.25\right)-\left(5.25\right)-\left(10.25\right)-\left(-7.75\right)-\:\:\:\left(-1.75\right)-\left(-14.75\right)-\left(20.25\right)-\left(7.25\right)-\left(-3.75\right)-\left(6.25\right)-\left(-10.75\right)-\left(-12.75\right)$