$\,2\,x \,-8\,y +\,4\,y +\,8\,x=$ ?

$\,-6\,x \,-4\,y$ $\,-6\,xy +\,12\,yx$ $\,-6\,x \,-12\,y$ $\,10\,x +\,12\,y$ $\,10\,x \,-4\,y$

$\,3\,x \,-2 +\,8\,x \,-3 \,-\,x=$ ?

$\,-6\,x \,-1$ $\,12\,x \,-5$ $\,5\,x$ $\,10\,x \,-5$ $\,10\,x \,-1$ $\,11\,x$

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

$\,8\,\,x^2 +\,7\,x \,-3$ $\,8\,\,x^2 +\,5\,x +\,3$ $\,-8\,\,x^2 +\,7\,x \,-3$ $\,8\,\,x^2 +\,7\,x +\,3$ $\,-8\,\,x^2 +\,7\,x +\,3$

$\,-1 +\,8\times\,9\,x +\,5 =$ ?

$\,63\,x +\,5$ $\,72\,x \,-6$ $\,17\,x +\,4$ $\,72\,x +\,4$ $\,-72\,x +\,4$

$\,-7\times \,x \times \,5 + \,x \times \,6\,x =$ ?

$\,6\,\,x^2 \,-35\,x$ $\,6\,\,x^2 +\,35\,x$ $\,-6\,\,x^2 \,-35\,x$ $\,-29\,\,x^2$ $\,6\,\,x^2 \,-2\,x$

$\,4 + ( - \,3\,x + \,4) - ( \,1 - \,7\,x) =$ ?

$\,4\,x +\,7$ $\,4\,x +\,9$ $\,4\,x \,-1$ $\,7\,x +\,4$ $\,-10\,x +\,7$

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

$\,10\,x +\,8\,y$ $\,10\,x +\,10\,y$ $\,4\,x +\,8\,y$ $\,4\,x +\,10\,y$ $\,4\,x \,-8\,y$

$\,-3\,x \,-5\,\,x^2 \,-2 +\,9\,\,x^2 \,-5=$ ?

$\,-7\,\,x^2 \,-3\,x +\,4$ $\,14\,\,x^2 \,-3\,x \,-3$ $\,4\,\,x^2 \,-3\,x \,-3$ $\,4\,\,x^2 \,-3\,x \,-7$ $\,\,x^2 \,-7$

$ \,9\,\,x^2 - ( \,7 + \,3\,\,x^2 + \,3\,x)=$ ?

$\,6\,\,x^2 +\,3\,x \,-7$ $\,12\,\,x^2 \,-3\,x \,-7$ $\,6\,\,x^2 +\,3\,x +\,7$ $\,12\,\,x^2 +\,3\,x +\,7$ $\,6\,\,x^2 \,-3\,x \,-7$

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

$\,3\,x +\,y \,-2$ $\,7\,x \,-\,y \,-2$ $\,-3\,x \,-\,y +\,2$ $\,7\,x +\,y +\,2$ $\,-3\,x +\,y +\,2$