$\,-2\,x +\,2\,\,x^2 +\,8 +\,7\,\,x^2 \,-3=$ ?

$\,7\,\,x^2 +\,5$ $\,9\,\,x^2 \,-2\,x \,-11$ $\,9\,\,x^2 \,-2\,x +\,5$ $\,5\,\,x^2 \,-2\,x \,-11$ $\,5\,\,x^2 \,-2\,x +\,9$

$\,8\,x +\,4\,y \,-6\,y +\,4\,x=$ ?

$\,12\,x \,-10\,y$ $\,4\,x \,-2\,y$ $\,4\,x +\,10\,y$ $\,12\,x \,-2\,y$ $\,12\,xy \,-2\,yx$

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

$\,-3\,x +\,5$ $\,-\,x +\,19$ $\,-\,x +\,5$ $\,-\,x \,-9$

$\,5 +\,5\times(\,-9\,x\,) \,-4 =$ ?

$\,-45\,x +\,1$ $\,-90\,x \,-4$ $\,45\,x +\,1$ $\,-45\,x +\,9$ $\,-4\,x +\,1$

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

$\,12\,x +\,16$ $\,28\,x$ $\,12\,x \,-2$ $\,-2\,x +\,16$ $\,14\,x$

$ \,6\,x + \,3\,y - ( \,2\,x - \,7\,y)=$ ?

$\,8\,x +\,10\,y$ $\,8\,x \,-4\,y$ $\,4\,x \,-4\,y$ $\,4\,x +\,10\,y$ $\,4\,x +\,4\,y$

$\,3\,x + (\,6 - \,2\,x + \,7\,y) =$ ?

$\,5\,x +\,7\,y +\,6$ $\,5\,x \,-7\,y \,-6$ $\,x \,-7\,y +\,6$ $\,-\,x +\,7\,y \,-6$ $\,x +\,7\,y +\,6$

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

$\,-4\,\,x^2 +\,24\,x$ $\,4\,\,x^2 \,-24\,x$ $\,-28\,\,x^2$ $\,-4\,\,x^2 \,-2\,x$ $\,-4\,\,x^2 \,-24\,x$

$\,6\,x - ( - \,4\,\,x^2 - \,2 ) + \,7\,x=$ ?

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

$ \,3\,\,x^2 - ( \,8 + \,6\,\,x^2 + \,8\,x)=$ ?

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