$\,3\,x +\,3\,y \,-8\,y \,-7\,x=$ ?

$\,10\,x +\,11\,y$ $\,-4\,x \,-5\,y$ $\,-4\,x \,-11\,y$ $\,10\,x \,-5\,y$ $\,6\,xy \,-15\,yx$

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

$\,43\,\,x^2$ $\,-5\,\,x^2 +\,14\,x$ $\,5\,\,x^2 +\,48\,x$ $\,-5\,\,x^2 +\,48\,x$ $\,-5\,\,x^2 \,-48\,x$

$\,2\,x - ( - \,8\,\,x^2 - \,1 ) + \,8\,x=$ ?

$\,-8\,\,x^2 +\,10\,x \,-1$ $\,8\,\,x^2 \,-6\,x +\,1$ $\,8\,\,x^2 +\,10\,x +\,1$ $\,-8\,\,x^2 +\,10\,x +\,1$ $\,8\,\,x^2 +\,10\,x \,-1$

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

$\,40\,x +\,13$ $\,-3\,x +\,13$ $\,-40\,x +\,3$ $\,-40\,x +\,13$

$\,4\,x +\,2 +\,2\,x +\,7 +\,3\,x=$ ?

$\,5\,x +\,5$ $\,4\,x$ $\,9\,x +\,5$ $\,18\,x$ $\,9\,x +\,9$ $\,3\,x +\,9$

$ \,3\,\,x^2 - ( \,9 + \,2\,\,x^2 + \,8\,x)=$ ?

$\,\,x^2 \,-8\,x \,-9$ $\,5\,\,x^2 \,-8\,x \,-9$ $\,5\,\,x^2 +\,8\,x +\,9$ $\,\,x^2 +\,8\,x \,-9$ $\,\,x^2 +\,8\,x +\,9$

$\,3\,x + (\,7 - \,4\,x + \,2\,y) =$ ?

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

$\,6\,x \,-9\,\,x^2 \,-2 +\,2\,\,x^2 +\,6=$ ?

$\,11\,\,x^2 +\,6\,x +\,8$ $\,-7\,\,x^2 +\,6\,x +\,4$ $\,-\,\,x^2 +\,4$ $\,4\,\,x^2 +\,6\,x \,-7$ $\,-11\,\,x^2 +\,6\,x +\,4$

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

$\,6\,x \,-8$ $\,6\,x +\,12$ $\,6\,x +\,6$ $\,10\,x +\,2$ $\,-8\,x +\,6$

$ \,4\,x + \,7\,y - ( \,2\,x - \,3\,y)=$ ?

$\,6\,x +\,4\,y$ $\,6\,x +\,10\,y$ $\,2\,x \,-4\,y$ $\,2\,x +\,4\,y$ $\,2\,x +\,10\,y$