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

$\,10\,x \,-4$ $\,8\,x +\,8$ $\,16\,x$ $\,12\,x$ $\,4\,x +\,8$ $\,8\,x \,-4$

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

$\,6\,\,x^2 +\,24\,x$ $\,6\,\,x^2 \,-24\,x$ $\,-6\,\,x^2 \,-24\,x$ $\,-18\,\,x^2$ $\,6\,\,x^2 \,-5\,x$

$\,3\,x - ( - \,3\,\,x^2 - \,5 ) + \,7\,x=$ ?

$\,3\,\,x^2 +\,10\,x +\,5$ $\,-3\,\,x^2 +\,10\,x +\,5$ $\,-3\,\,x^2 +\,10\,x \,-5$ $\,3\,\,x^2 +\,10\,x \,-5$ $\,3\,\,x^2 \,-4\,x +\,5$

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

$\,-25\,x +\,9$ $\,10\,x +\,6$ $\,25\,x +\,9$ $\,25\,x \,-3$ $\,-10\,x +\,9$

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

$\,7\,x +\,y$ $\,7\,x \,-9\,y$ $\,-\,xy \,-\,yx$ $\,x \,-\,y$ $\,x \,-9\,y$

$ \,4\,x + \,3\,y - ( \,6\,x - \,5\,y)=$ ?

$\,-2\,x +\,2\,y$ $\,-2\,x +\,8\,y$ $\,10\,x \,-2\,y$ $\,-2\,x \,-2\,y$ $\,10\,x +\,8\,y$

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

$\,10\,x \,-4\,y \,-2$ $\,2\,x \,-4\,y +\,2$ $\,-2\,x +\,4\,y \,-2$ $\,2\,x +\,4\,y +\,2$ $\,10\,x +\,4\,y +\,2$

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

$\,\,x^2 \,-7\,x \,-10$ $\,-3\,\,x^2 \,-7\,x +\,2$ $\,-10\,\,x^2 \,-7\,x +\,1$ $\,\,x^2 \,-7\,x +\,2$ $\,-6\,\,x^2 \,-10$

$ \,9\,\,x^2 - ( \,5 + \,2\,\,x^2 + \,3\,x)=$ ?

$\,7\,\,x^2 +\,3\,x +\,5$ $\,7\,\,x^2 \,-3\,x \,-5$ $\,7\,\,x^2 +\,3\,x \,-5$ $\,11\,\,x^2 +\,3\,x +\,5$ $\,11\,\,x^2 \,-3\,x \,-5$

$\,4 + ( - \,7\,x + \,1) - ( \,7 - \,5\,x) =$ ?

$\,-2\,x \,-4$ $\,-8\,x +\,4$ $\,-2\,x \,-2$ $\,-12\,x \,-2$ $\,-2\,x +\,12$