$\,-4\,x \,-9 \,-5\,x =$ ?

$\,-4\,x \,-14\,x$ $\,-\,x \,-9$ $\,-18\,x$ $\,-9\,x \,-9$ $\,x \,-9$

$\,7 +\,4\times(\,-9\,x\,) +\,6 =$ ?

$\,36\,x +\,13$ $\,-36\,x +\,13$ $\,-5\,x +\,13$ $\,-99\,x +\,6$ $\,-36\,x +\,1$

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

$\,-8\,xy +\,17\,yx$ $\,-10\,x \,-15\,y$ $\,8\,x +\,15\,y$ $\,-10\,x +\,y$ $\,8\,x +\,y$

$\,9\times \,x \times \,7 + \,x \times \,8\,x =$ ?

$\,8\,\,x^2 +\,63\,x$ $\,71\,\,x^2$ $\,-8\,\,x^2 +\,63\,x$ $\,8\,\,x^2 +\,16\,x$ $\,8\,\,x^2 \,-63\,x$

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

$\,14\,\,x^2 \,-\,x \,-10$ $\,3\,\,x^2 \,-10$ $\,-10\,\,x^2 \,-\,x +\,4$ $\,-14\,\,x^2 \,-\,x \,-6$ $\,4\,\,x^2 \,-\,x \,-10$

$\,x +\,5 +\,3\,x +\,6 +\,6\,x=$ ?

$\,21\,x$ $\,-2\,x +\,11$ $\,4\,x +\,1$ $\,10\,x +\,11$ $\,9\,x$ $\,10\,x +\,1$

$\,1 \,-4\,x \,-3\,y \,-\,x \,-5=$ ?

$\,-8\,xy \,-4$ $\,-5\,x \,-3\,y \,-4$ $\,-5\,x \,-3\,y +\,6$ $\,-3\,x \,-3\,y \,-4$ $\,-4\,x \,-3\,y \,-5$

$\,-2\,y \times \,3\,x \,-2\,xy =$ ?

$\,-\,xy$ $\,4\,xy$ $\,-2\,y +\,3\,x \,-2\,xy$ $\,-8\,xy$ $\,-4\,xy$