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

$3x\:+\:7\:+\:4x\:+\:4\:-\:3\:-\:x$

$\int_0^l\left(\left(h+p\right)\cdot x^2+hl^2+pl^2-pl\cdot x+h\cdot x^2\right)dx$

$3\:+5\:-12\:-20\:+11\:+\:-4\:+13\:-6$

$16n^2+24n+9$

$\sin\left(x\right)+\sin\left(x\right)\cos\left(x\right)=0$

$\frac{3}{2}x^4\frac{1}{2}x^405x^4$