$\,-1 \,-7\times(\,-\,x\,) \,-1 =$ ?

$\,-8\,x \,-2$ $\,8\,x \,-1$ $\,7\,x \,-2$ $\,-7\,x \,-2$

$\,-1\times \,x \times (\,-5\,) + \,x \times \,2\,x =$ ?

$\,7\,\,x^2$ $\,-2\,\,x^2 +\,5\,x$ $\,2\,\,x^2 \,-6\,x$ $\,2\,\,x^2 +\,5\,x$ $\,2\,\,x^2 \,-5\,x$

$\,7 + ( - \,6\,x + \,8) - ( \,3 - \,8\,x) =$ ?

$\,-14\,x +\,12$ $\,2\,x +\,18$ $\,7\,x +\,7$ $\,2\,x +\,12$ $\,2\,x \,-4$

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

$\,9\,x +\,9$ $\,-7\,x +\,9$ $\,-14\,x$ $\,-16\,x$ $\,-7\,x \,-7$ $\,-5\,x \,-7$

$\,3\,x \,-8\,y \,-3\,y +\,5\,x=$ ?

$\,8\,x \,-11\,y$ $\,8\,x +\,5\,y$ $\,-2\,x \,-5\,y$ $\,-5\,xy +\,2\,yx$ $\,-2\,x \,-11\,y$

$\,7\,x - ( - \,6\,\,x^2 - \,1 ) + \,x=$ ?

$\,6\,\,x^2 +\,8\,x +\,1$ $\,6\,\,x^2 +\,8\,x \,-1$ $\,6\,\,x^2 +\,6\,x +\,1$ $\,-6\,\,x^2 +\,8\,x +\,1$ $\,-6\,\,x^2 +\,8\,x \,-1$

$ \,6\,\,x^2 - ( \,3 + \,8\,\,x^2 + \,5\,x)=$ ?

$\,14\,\,x^2 \,-5\,x \,-3$ $\,-2\,\,x^2 +\,5\,x +\,3$ $\,-2\,\,x^2 +\,5\,x \,-3$ $\,14\,\,x^2 +\,5\,x +\,3$ $\,-2\,\,x^2 \,-5\,x \,-3$

$\,4\,x +\,9\,\,x^2 \,-1 \,-2\,\,x^2 +\,7=$ ?

$\,-11\,\,x^2 +\,4\,x +\,8$ $\,7\,\,x^2 +\,4\,x +\,6$ $\,11\,\,x^2 +\,6$ $\,7\,\,x^2 +\,4\,x +\,8$ $\,6\,\,x^2 +\,4\,x +\,7$

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

$\,-3\,x +\,2\,y$ $\,-3\,x +\,4\,y$ $\,7\,x +\,2\,y$ $\,7\,x +\,4\,y$ $\,-3\,x \,-2\,y$

$\,8\,x + (\,3 - \,6\,x + \,7\,y) =$ ?

$\,-2\,x +\,7\,y \,-3$ $\,14\,x \,-7\,y \,-3$ $\,14\,x +\,7\,y +\,3$ $\,2\,x \,-7\,y +\,3$ $\,2\,x +\,7\,y +\,3$