$ \,8\,x + \,8\,y - ( \,5\,x - \,5\,y)=$ ?

$\,13\,x +\,3\,y$ $\,3\,x \,-3\,y$ $\,13\,x +\,13\,y$ $\,3\,x +\,3\,y$ $\,3\,x +\,13\,y$

$ \,8\,\,x^2 - ( \,6 + \,4\,\,x^2 + \,3\,x)=$ ?

$\,12\,\,x^2 \,-3\,x \,-6$ $\,4\,\,x^2 \,-3\,x \,-6$ $\,4\,\,x^2 +\,3\,x \,-6$ $\,12\,\,x^2 +\,3\,x +\,6$ $\,4\,\,x^2 +\,3\,x +\,6$

$\,1 + ( - \,9\,x + \,8) - ( \,7 - \,7\,x) =$ ?

$\,-2\,x +\,16$ $\,-\,x +\,1$ $\,-2\,x +\,2$ $\,-2\,x \,-14$ $\,-16\,x +\,2$

$\,x + (\,5 - \,9\,x + \,9\,y) =$ ?

$\,10\,x \,-9\,y \,-5$ $\,10\,x +\,9\,y +\,5$ $\,-8\,x +\,9\,y +\,5$ $\,8\,x +\,9\,y \,-5$ $\,-8\,x \,-9\,y +\,5$

$\,3\,x - ( - \,\,x^2 - \,5 ) + \,7\,x=$ ?

$\,-\,\,x^2 +\,10\,x \,-5$ $\,\,x^2 +\,10\,x +\,5$ $\,-\,\,x^2 +\,10\,x +\,5$ $\,\,x^2 +\,10\,x \,-5$ $\,\,x^2 \,-4\,x +\,5$

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

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