$3x^2-2\:\:para\:x\:=\:5$

$\left(\frac{1}{6}a^5\right)\left(-3a^2\right)\left(4a^7\right)$

$\frac{1}{2}-0.3542$

$\frac{\cot^2\left(x\right)cos^2\left(x\right)}{\cot^2\left(x\right)-\cos^2\left(x\right)}$

$3x-2y-\left(6x+5y\right)+2\left(4x+5y\right)-3\left(x-y\right)$

$3x^4-5x^3+x^2-7x.-3x^4+x^3-2x+1$

$\frac{2}{2.345297879911715}$