space latex math
Spaces in mathematical mode.
begin{align*}
f(x) &= x^2! +3x! +2 \
f(x) &= x^2+3x+2 \
f(x) &= x^2, +3x, +2 \
f(x) &= x^2: +3x: +2 \
f(x) &= x^2; +3x; +2 \
f(x) &= x^2 +3x +2 \
f(x) &= x^2quad +3xquad +2 \
f(x) &= x^2qquad +3xqquad +2
end{align*}