$\,-2\,x +\,9 \,-3\,x +\,2 +\,7\,x=$ ?

$\,8\,x \,-7$ $\,2\,x \,-7$ $\,2\,x +\,11$ $\,13\,x$ $\,-12\,x +\,11$ $\,9\,x$

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

$\,-4\,\,x^2 \,-28\,x$ $\,-4\,\,x^2 +\,28\,x$ $\,4\,\,x^2 \,-28\,x$ $\,-32\,\,x^2$ $\,-4\,\,x^2 \,-3\,x$

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

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

$\,3 +\,4\times(\,-\,x\,) \,-8 =$ ?

$\,-4\,x \,-5$ $\,-7\,x \,-8$ $\,-4\,x +\,11$ $\,4\,x \,-5$ $\,3\,x \,-5$

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

$\,-5\,x +\,y$ $\,3\,x \,-\,y$ $\,-5\,xy \,-7\,yx$ $\,3\,x \,-7\,y$ $\,-5\,x \,-7\,y$

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

$\,11\,x +\,11\,y$ $\,-5\,x \,-5\,y$ $\,-5\,x +\,5\,y$ $\,11\,x +\,5\,y$ $\,-5\,x +\,11\,y$

$\,9\,x - ( - \,5\,\,x^2 - \,7 ) + \,7\,x=$ ?

$\,-5\,\,x^2 +\,16\,x \,-7$ $\,5\,\,x^2 +\,2\,x +\,7$ $\,-5\,\,x^2 +\,16\,x +\,7$ $\,5\,\,x^2 +\,16\,x +\,7$ $\,5\,\,x^2 +\,16\,x \,-7$

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

$\,-4\,\,x^2 \,-6\,x \,-2$ $\,12\,\,x^2 \,-6\,x \,-2$ $\,4\,\,x^2 \,-6\,x \,-14$ $\,-2\,\,x^2 \,-6\,x +\,12$ $\,6\,\,x^2 \,-2$

$\,1 + ( - \,9\,x + \,2) - ( \,6 - \,6\,x) =$ ?

$\,-3\,x +\,9$ $\,-15\,x \,-3$ $\,-3\,x \,-3$ $\,-3\,x \,-7$ $\,-7\,x +\,1$

$\,2\,x + (\,5 - \,6\,x + \,7\,y) =$ ?

$\,4\,x +\,7\,y \,-5$ $\,-4\,x +\,7\,y +\,5$ $\,8\,x \,-7\,y \,-5$ $\,8\,x +\,7\,y +\,5$ $\,-4\,x \,-7\,y +\,5$