$x^2-14x+6$

$\left(4x^{2\:}\:_{-\:4x\:+10}\right)\left(2x^2+5x-8\right)$

$1+-1+2+-2$

$\sin\left(0.002\cdot10\right)\cdot sin\left(0.002\cdot11\right)\cdot\frac{sin\left(0.002\cdot3\right)}{x^2\cdot sin\left(5\cdot0.002\right)}$

$9x-10=\frac{9x-15}{6}$

$528\cdot5$

$\sin\left(x\right)=0.25$