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

$\,7\,\,x^2 +\,3\,x \,-12$ $\,9\,\,x^2 +\,3\,x +\,2$ $\,9\,\,x^2 +\,3\,x \,-12$ $\,12\,\,x^2 +\,2$ $\,2\,\,x^2 +\,3\,x +\,9$

$\,-6\,x +\,4 \,-7\,x +\,1 \,-4\,x=$ ?

$\,-17\,x \,-3$ $\,-14\,x$ $\,-9\,x +\,5$ $\,-17\,x +\,5$ $\,-12\,x$ $\,-3\,x \,-3$

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

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

$\,2\,x +\,5\,y \,-9\,y \,-7\,x=$ ?

$\,-5\,x \,-4\,y$ $\,7\,xy \,-16\,yx$ $\,9\,x +\,14\,y$ $\,-5\,x \,-14\,y$ $\,9\,x \,-4\,y$

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

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

$ \,5\,x + \,9\,y - ( \,6\,x - \,3\,y)=$ ?

$\,11\,x +\,6\,y$ $\,-\,x +\,12\,y$ $\,-\,x \,-6\,y$ $\,-\,x +\,6\,y$ $\,11\,x +\,12\,y$

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

$\,x \,-8$ $\,x +\,8$ $\,-17\,x +\,8$ $\,x +\,24$

$\,-1\times \,x \times \,6 + \,x \times \,6\,x =$ ?

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

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

$\,8\,x +\,7\,y +\,6$ $\,8\,x \,-7\,y \,-6$ $\,-6\,x +\,7\,y +\,6$ $\,6\,x +\,7\,y \,-6$ $\,-6\,x \,-7\,y +\,6$

$\,6\,x - ( - \,4\,\,x^2 - \,7 ) + \,5\,x=$ ?

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