$\,-7 \,-7\times\,3\,x \,-7 =$ ?

$\,21\,x \,-14$ $\,-21\,x \,-14$ $\,-42\,x \,-7$ $\,-4\,x \,-14$

$\,6\,x \,-2\,\,x^2 \,-2 +\,4\,\,x^2 \,-1=$ ?

$\,2\,\,x^2 +\,6\,x \,-3$ $\,6\,\,x^2 +\,6\,x +\,1$ $\,-6\,\,x^2 +\,6\,x \,-3$ $\,-3\,\,x^2 +\,6\,x +\,2$ $\,8\,\,x^2 \,-3$

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

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

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

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

$\,9\,x +\,8 \,-9\,x \,-2 +\,2\,x=$ ?

$\,12\,x$ $\,-2\,x +\,6$ $\,20\,x \,-10$ $\,2\,x \,-10$ $\,8\,x$ $\,2\,x +\,6$

$ \,3\,\,x^2 - ( \,8 + \,9\,\,x^2 + \,5\,x)=$ ?

$\,-6\,\,x^2 +\,5\,x +\,8$ $\,12\,\,x^2 +\,5\,x +\,8$ $\,12\,\,x^2 \,-5\,x \,-8$ $\,-6\,\,x^2 +\,5\,x \,-8$ $\,-6\,\,x^2 \,-5\,x \,-8$

$\,8 + ( - \,5\,x + \,5) - ( \,7 - \,4\,x) =$ ?

$\,-\,x +\,6$ $\,-9\,x +\,6$ $\,-\,x \,-4$ $\,-\,x +\,20$ $\,-3\,x +\,8$

$\,8\,x +\,3\,y +\,y +\,4\,x=$ ?

$\,11\,xy +\,5\,yx$ $\,12\,x \,-2\,y$ $\,12\,x +\,4\,y$ $\,4\,x +\,4\,y$ $\,4\,x +\,2\,y$

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

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

$\,9\,x + (\,9 - \,4\,x + \,y) =$ ?

$\,13\,x +\,y +\,9$ $\,13\,x \,-\,y \,-9$ $\,-5\,x +\,y \,-9$ $\,5\,x +\,y +\,9$ $\,5\,x \,-\,y +\,9$