$\,-8\,x +\,2 \,-2\,x \,-1 +\,9\,x=$ ?

$\,-19\,x +\,1$ $\,2\,x$ $\,-\,x +\,1$ $\,3\,x \,-3$ $\,-\,x \,-3$

$\,4\times \,x \times \,9 + \,x \times \,4\,x =$ ?

$\,-4\,\,x^2 +\,36\,x$ $\,4\,\,x^2 \,-36\,x$ $\,4\,\,x^2 +\,13\,x$ $\,40\,\,x^2$ $\,4\,\,x^2 +\,36\,x$

$ \,7\,\,x^2 - ( \,7 + \,\,x^2 + \,8\,x)=$ ?

$\,6\,\,x^2 +\,8\,x \,-7$ $\,6\,\,x^2 +\,8\,x +\,7$ $\,8\,\,x^2 \,-8\,x \,-7$ $\,6\,\,x^2 \,-8\,x \,-7$ $\,8\,\,x^2 +\,8\,x +\,7$

$\,8 \,-9\times\,3\,x +\,6 =$ ?

$\,-27\,x +\,2$ $\,-27\,x +\,14$ $\,27\,x +\,14$ $\,-3\,x +\,6$ $\,-6\,x +\,14$

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

$\,0\,xy \,-3\,yx$ $\,-4\,x +\,y$ $\,10\,x +\,y$ $\,10\,x \,-7\,y$ $\,-4\,x +\,7\,y$

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

$\,9\,x +\,12\,y$ $\,-7\,x +\,4\,y$ $\,-7\,x \,-4\,y$ $\,9\,x \,-4\,y$ $\,-7\,x +\,12\,y$

$\,1 + ( - \,4\,x + \,2) - ( \,8 - \,6\,x) =$ ?

$\,2\,x \,-9$ $\,-4\,x +\,1$ $\,-10\,x \,-5$ $\,2\,x \,-5$ $\,2\,x +\,11$

$\,9\,x \,-8\,\,x^2 +\,2 +\,\,x^2 \,-3=$ ?

$\,-7\,\,x^2 +\,9\,x \,-5$ $\,2\,\,x^2 \,-1$ $\,9\,\,x^2 +\,9\,x \,-5$ $\,-7\,\,x^2 +\,9\,x \,-1$ $\,-\,\,x^2 +\,9\,x \,-7$

$\,3\,x + (\,1 - \,2\,x + \,3\,y) =$ ?

$\,-\,x +\,3\,y \,-1$ $\,5\,x \,-3\,y \,-1$ $\,5\,x +\,3\,y +\,1$ $\,x +\,3\,y +\,1$ $\,x \,-3\,y +\,1$

$\,x - ( - \,7\,\,x^2 - \,1 ) + \,3\,x=$ ?

$\,7\,\,x^2 +\,4\,x +\,1$ $\,7\,\,x^2 \,-2\,x +\,1$ $\,7\,\,x^2 +\,4\,x \,-1$ $\,-7\,\,x^2 +\,4\,x +\,1$ $\,-7\,\,x^2 +\,4\,x \,-1$