$\,3 \,-4\times(\,-5\,x\,) +\,6 =$ ?

$\,20\,x +\,9$ $\,5\,x +\,6$ $\,-20\,x +\,9$ $\,20\,x \,-3$ $\,-9\,x +\,9$

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

$\,-2\,x \,-9\,x$ $\,-11\,x$ $\,-3\,x \,-8$ $\,-\,x \,-8$ $\,x \,-8$

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

$\,-17\,\,x^2$ $\,-8\,\,x^2 +\,9\,x$ $\,-8\,\,x^2 \,-9\,x$ $\,-8\,\,x^2 \,-8\,x$ $\,8\,\,x^2 \,-9\,x$

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

$\,-6\,x \,-11\,y$ $\,-12\,x +\,y$ $\,-12\,x +\,11\,y$ $\,-6\,x +\,y$ $\,-14\,xy +\,3\,yx$

$\,-8\,y \times (\,-3\,x\,) \,-3\,xy =$ ?

$\,-27\,xy$ $\,-8\,y \,-3\,x \,-3\,xy$ $\,21\,xy$ $\,27\,xy$ $\,-14\,xy$

$\,4\,x \,-8\,\,x^2 \,-1 \,-2\,\,x^2 +\,4=$ ?

$\,6\,\,x^2 +\,4\,x +\,5$ $\,-10\,\,x^2 +\,4\,x +\,5$ $\,-10\,\,x^2 +\,4\,x +\,3$ $\,3\,\,x^2 +\,4\,x \,-10$ $\,-6\,\,x^2 +\,3$

$\,4\,x \,-2 +\,6\,x \,-6 +\,5\,x=$ ?

$\,15\,x \,-8$ $\,7\,x$ $\,3\,x \,-4$ $\,19\,x$ $\,15\,x \,-4$ $\,5\,x \,-8$

$\,3 +\,5\,x +\,9\,y +\,7\,x \,-1=$ ?

$\,21\,xy +\,2$ $\,12\,x \,-9\,y +\,2$ $\,12\,x +\,9\,y +\,2$ $\,12\,x +\,9\,y +\,4$ $\,15\,x +\,9\,y \,-1$