$ \,3\,x + \,2\,y - ( \,2\,x - \,5\,y)=$ ?

$\,x \,-3\,y$ $\,x +\,3\,y$ $\,x +\,7\,y$ $\,5\,x \,-3\,y$ $\,5\,x +\,7\,y$

$\,1 + ( - \,3\,x + \,1) - ( \,7 - \,x) =$ ?

$\,-2\,x \,-5$ $\,-2\,x +\,9$ $\,-8\,x +\,1$ $\,-2\,x \,-7$ $\,-4\,x \,-5$

$\,8\,x - ( - \,4\,\,x^2 - \,5 ) + \,5\,x=$ ?

$\,-4\,\,x^2 +\,13\,x +\,5$ $\,4\,\,x^2 +\,3\,x +\,5$ $\,4\,\,x^2 +\,13\,x +\,5$ $\,-4\,\,x^2 +\,13\,x \,-5$ $\,4\,\,x^2 +\,13\,x \,-5$

$ \,2\,x - \,2\,\,x^2 - ( - \,\,x^2 + \,9\,x )=$ ?

$\,-3\,\,x^2 +\,11\,x$ $\,-3\,\,x^2 \,-7\,x$ $\,-\,\,x^2 +\,11\,x$ $\,3\,\,x^2 \,-7\,x$ $\,-\,\,x^2 \,-7\,x$

$\,3\,x + (\,6 - \,9\,x + \,7\,y) =$ ?

$\,-6\,x \,-7\,y +\,6$ $\,6\,x +\,7\,y \,-6$ $\,-6\,x +\,7\,y +\,6$ $\,12\,x \,-7\,y \,-6$ $\,12\,x +\,7\,y +\,6$

$ \,2\,\,x^2 - ( \,6 + \,8\,\,x^2 + \,5\,x)=$ ?

$\,-6\,\,x^2 +\,5\,x \,-6$ $\,-6\,\,x^2 +\,5\,x +\,6$ $\,10\,\,x^2 \,-5\,x \,-6$ $\,10\,\,x^2 +\,5\,x +\,6$ $\,-6\,\,x^2 \,-5\,x \,-6$