$\,x +\,7\,\,x^2 +\,3 \,-6\,\,x^2 \,-8=$ ?

$\,\,x^2 +\,x \,-5$ $\,-5\,\,x^2 +\,x +\,1$ $\,-13\,\,x^2 +\,x \,-11$ $\,2\,\,x^2 \,-5$ $\,\,x^2 +\,x \,-11$

$\,-4 +\,8\times(\,-4\,x\,) \,-6 =$ ?

$\,-32\,x \,-10$ $\,-16\,x \,-6$ $\,32\,x \,-10$ $\,4\,x \,-10$ $\,-32\,x +\,2$

$\,8\,x + (\,9 - \,2\,x + \,4\,y) =$ ?

$\,6\,x +\,4\,y +\,9$ $\,10\,x +\,4\,y +\,9$ $\,10\,x \,-4\,y \,-9$ $\,6\,x \,-4\,y +\,9$ $\,-6\,x +\,4\,y \,-9$

$\,-3\times \,x \times \,9 + \,x \times \,5\,x =$ ?

$\,5\,\,x^2 +\,27\,x$ $\,-5\,\,x^2 \,-27\,x$ $\,5\,\,x^2 \,-27\,x$ $\,5\,\,x^2 +\,6\,x$ $\,-22\,\,x^2$

$\,3\,x +\,2 +\,3\,x \,-1 \,-4\,x=$ ?

$\,10\,x +\,1$ $\,-4\,x \,-3$ $\,2\,x +\,1$ $\,5\,x$ $\,2\,x \,-3$ $\,3\,x$

$\,6\,x - ( - \,8\,\,x^2 - \,8 ) + \,5\,x=$ ?

$\,-8\,\,x^2 +\,11\,x +\,8$ $\,8\,\,x^2 +\,x +\,8$ $\,-8\,\,x^2 +\,11\,x \,-8$ $\,8\,\,x^2 +\,11\,x +\,8$ $\,8\,\,x^2 +\,11\,x \,-8$

$ \,7\,\,x^2 - ( \,3 + \,5\,\,x^2 + \,4\,x)=$ ?

$\,2\,\,x^2 +\,4\,x +\,3$ $\,2\,\,x^2 \,-4\,x \,-3$ $\,2\,\,x^2 +\,4\,x \,-3$ $\,12\,\,x^2 \,-4\,x \,-3$ $\,12\,\,x^2 +\,4\,x +\,3$

$\,5\,x +\,3\,y \,-2\,y +\,x=$ ?

$\,6\,x \,-5\,y$ $\,4\,x +\,y$ $\,4\,x +\,5\,y$ $\,8\,xy \,-\,yx$ $\,6\,x +\,y$

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

$\,-5\,x \,-\,y$ $\,9\,x +\,7\,y$ $\,-5\,x +\,y$ $\,-5\,x +\,7\,y$ $\,9\,x +\,y$

$\,9 + ( - \,3\,x + \,9) - ( \,4 - \,7\,x) =$ ?

$\,9\,x +\,9$ $\,4\,x +\,22$ $\,4\,x +\,14$ $\,4\,x \,-4$ $\,-10\,x +\,14$