$7x^2+x-10-2x\cdot1$

$-\left|-35\right|+35$

$\frac{3}{4}+\frac{-2x-1}{2x\left(x+1\right)}=\frac{3x^2-x-2}{4x^2+4x}$

$\frac{cot\left(x\right)+tan\left(x\right)}{csc^2\left(x\right)}tan\left(x\right)$

$\arctan.\arctan\left(y\right)$

$\int_0^{\frac{\pi}{2}}\left(2e^{sin\left(x\right)}cos\left(x\right)\right)dx$

$10x^2-22x+12$