$\,-9\times \,x \times (\,-6\,) + \,x \times (\,-4\,x\,) =$ ?

$\,-4\,\,x^2 +\,54\,x$ $\,4\,\,x^2 +\,54\,x$ $\,50\,\,x^2$ $\,-4\,\,x^2 \,-15\,x$ $\,-4\,\,x^2 \,-54\,x$

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

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

$\,9 + ( - \,2\,x + \,6) - ( \,5 - \,3\,x) =$ ?

$\,2\,x +\,9$ $\,x +\,20$ $\,-5\,x +\,10$ $\,x +\,10$ $\,x \,-2$

$\,-8\,x +\,6\,y +\,7\,y \,-9\,x=$ ?

$\,x +\,13\,y$ $\,x \,-\,y$ $\,-17\,x +\,13\,y$ $\,-2\,xy \,-2\,yx$ $\,-17\,x +\,y$

$\,6 +\,4\times\,6\,x +\,7 =$ ?

$\,24\,x +\,13$ $\,10\,x +\,13$ $\,-24\,x +\,13$ $\,60\,x +\,7$ $\,24\,x \,-1$

$\,9\,x - ( - \,9\,\,x^2 - \,3 ) + \,4\,x=$ ?

$\,9\,\,x^2 +\,13\,x +\,3$ $\,-9\,\,x^2 +\,13\,x +\,3$ $\,9\,\,x^2 +\,5\,x +\,3$ $\,9\,\,x^2 +\,13\,x \,-3$ $\,-9\,\,x^2 +\,13\,x \,-3$

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

$\,-\,x +\,4\,y \,-7$ $\,15\,x \,-4\,y \,-7$ $\,x \,-4\,y +\,7$ $\,15\,x +\,4\,y +\,7$ $\,x +\,4\,y +\,7$

$\,4\,x +\,9\,\,x^2 \,-9 \,-8\,\,x^2 \,-6=$ ?

$\,5\,\,x^2 \,-15$ $\,17\,\,x^2 +\,4\,x \,-15$ $\,-17\,\,x^2 +\,4\,x +\,3$ $\,\,x^2 +\,4\,x \,-15$ $\,-15\,\,x^2 +\,4\,x +\,1$

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

$\,5\,\,x^2 +\,6\,x \,-1$ $\,5\,\,x^2 \,-6\,x \,-1$ $\,7\,\,x^2 \,-6\,x \,-1$ $\,5\,\,x^2 +\,6\,x +\,1$ $\,7\,\,x^2 +\,6\,x +\,1$

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

$\,5\,x +\,4\,y$ $\,13\,x +\,12\,y$ $\,5\,x +\,12\,y$ $\,13\,x +\,4\,y$ $\,5\,x \,-4\,y$