$\,-7\,x +\,3\,\,x^2 \,-9 \,-8\,\,x^2 \,-3=$ ?

$\,-5\,\,x^2 \,-7\,x \,-12$ $\,-12\,\,x^2 \,-12$ $\,-5\,\,x^2 \,-7\,x +\,6$ $\,-11\,\,x^2 \,-7\,x +\,6$ $\,-12\,\,x^2 \,-7\,x \,-5$

$\,1\times \,x \times \,7 + \,x \times (\,-6\,x\,) =$ ?

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

$\,3\,x - ( - \,2\,\,x^2 - \,6 ) + \,7\,x=$ ?

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

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

$\,12\,x +\,8$ $\,16\,x \,-10$ $\,16\,x +\,6$ $\,-16\,x +\,6$ $\,10\,x +\,6$

$\,-5\,x \,-4\,y \,-6\,y \,-9\,x=$ ?

$\,-14\,x \,-10\,y$ $\,-9\,xy \,-15\,yx$ $\,4\,x \,-10\,y$ $\,4\,x +\,2\,y$ $\,-14\,x \,-2\,y$

$\,5 + ( - \,8\,x + \,9) - ( \,3 - \,x) =$ ?

$\,-7\,x +\,11$ $\,-7\,x \,-7$ $\,-\,x +\,5$ $\,-9\,x +\,11$ $\,-7\,x +\,17$

$\,3\,x + (\,8 - \,6\,x + \,7\,y) =$ ?

$\,-3\,x \,-7\,y +\,8$ $\,9\,x \,-7\,y \,-8$ $\,3\,x +\,7\,y \,-8$ $\,-3\,x +\,7\,y +\,8$ $\,9\,x +\,7\,y +\,8$

$\,-7\,x \,-2 +\,4\,x \,-9 +\,7\,x=$ ?

$\,-10\,x \,-11$ $\,4\,x \,-11$ $\,11\,x$ $\,-7\,x$ $\,-4\,x \,-7$ $\,4\,x \,-7$

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

$\,17\,\,x^2 +\,3\,x +\,3$ $\,17\,\,x^2 \,-3\,x \,-3$ $\,-\,\,x^2 +\,3\,x \,-3$ $\,-\,\,x^2 \,-3\,x \,-3$ $\,-\,\,x^2 +\,3\,x +\,3$

$ \,7\,x + \,2\,y - ( \,6\,x - \,3\,y)=$ ?

$\,x +\,5\,y$ $\,x +\,y$ $\,13\,x +\,5\,y$ $\,x \,-\,y$ $\,13\,x \,-\,y$