$\,-3\,x +\,9 \,-8\,x =$ ?

$\,-2\,x$ $\,-11\,x +\,9$ $\,-3\,x +\,x$ $\,-5\,x +\,9$ $\,5\,x +\,9$

$\,-5\,x \,-8\,y \,-7\,y +\,x=$ ?

$\,-4\,x +\,y$ $\,-4\,x \,-15\,y$ $\,-6\,x \,-15\,y$ $\,-6\,x \,-\,y$ $\,-13\,xy \,-6\,yx$

$\,y \times \,9\,x \,-5\,xy =$ ?

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

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

$\,-13\,\,x^2$ $\,5\,\,x^2 \,-7\,x$ $\,-5\,\,x^2 \,-18\,x$ $\,5\,\,x^2 +\,18\,x$ $\,5\,\,x^2 \,-18\,x$

$\,6\,x +\,6\,\,x^2 +\,6 \,-7\,\,x^2 +\,9=$ ?

$\,-\,\,x^2 +\,6\,x +\,15$ $\,5\,\,x^2 +\,15$ $\,15\,\,x^2 +\,6\,x \,-1$ $\,-13\,\,x^2 +\,6\,x +\,3$ $\,13\,\,x^2 +\,6\,x +\,15$

$\,-1 \,-5\times(\,-6\,x\,) \,-3 =$ ?

$\,-30\,x \,-4$ $\,36\,x \,-3$ $\,30\,x +\,2$ $\,30\,x \,-4$ $\,-11\,x \,-4$

$\,8\,x +\,2 \,-8\,x \,-6 \,-6\,x=$ ?

$\,6\,x \,-4$ $\,2\,x$ $\,-6\,x \,-4$ $\,10\,x \,-8$ $\,-10\,x$ $\,-6\,x \,-8$

$\,-8 +\,4\,x \,-4\,y \,-3\,x \,-7=$ ?

$\,-3\,xy \,-15$ $\,-7\,x \,-4\,y \,-7$ $\,x \,-4\,y \,-15$ $\,7\,x \,-4\,y \,-15$ $\,x \,-4\,y \,-1$