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

$\,-20\,\,x^2 +\,4$ $\,-12\,\,x^2 \,-8\,x \,-8$ $\,-4\,\,x^2 \,-8\,x \,-8$ $\,-12\,\,x^2 \,-8\,x +\,4$ $\,4\,\,x^2 \,-8\,x \,-12$

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

$\,-5\,x \,-4\,y$ $\,x +\,4\,y$ $\,-5\,x +\,6\,y$ $\,x +\,6\,y$ $\,-\,xy +\,8\,yx$

$\,9 + ( - \,4\,x + \,2) - ( \,2 - \,7\,x) =$ ?

$\,3\,x +\,9$ $\,3\,x +\,13$ $\,-11\,x +\,9$ $\,3\,x +\,5$

$\,9\times \,x \times (\,-4\,) + \,x \times \,7\,x =$ ?

$\,-7\,\,x^2 \,-36\,x$ $\,-29\,\,x^2$ $\,7\,\,x^2 \,-36\,x$ $\,7\,\,x^2 +\,36\,x$ $\,7\,\,x^2 +\,5\,x$

$\,x +\,1 \,-7\,x \,-4 +\,3\,x=$ ?

$\,-6\,x$ $\,-9\,x \,-3$ $\,2\,x$ $\,-3\,x \,-3$ $\,-3\,x \,-5$ $\,11\,x \,-5$

$\,8\,x - ( - \,4\,\,x^2 - \,7 ) + \,x=$ ?

$\,-4\,\,x^2 +\,9\,x \,-7$ $\,4\,\,x^2 +\,7\,x +\,7$ $\,4\,\,x^2 +\,9\,x \,-7$ $\,4\,\,x^2 +\,9\,x +\,7$ $\,-4\,\,x^2 +\,9\,x +\,7$

$ \,3\,x + \,8\,y - ( \,4\,x - \,2\,y)=$ ?

$\,-\,x +\,6\,y$ $\,7\,x +\,10\,y$ $\,-\,x \,-6\,y$ $\,7\,x +\,6\,y$ $\,-\,x +\,10\,y$

$\,7 \,-3\times(\,-4\,x\,) +\,7 =$ ?

$\,12\,x +\,14$ $\,-12\,x +\,14$ $\,-7\,x +\,14$ $\,-16\,x +\,7$

$\,8\,x + (\,7 - \,9\,x + \,y) =$ ?

$\,17\,x \,-\,y \,-7$ $\,x +\,y \,-7$ $\,-\,x \,-\,y +\,7$ $\,17\,x +\,y +\,7$ $\,-\,x +\,y +\,7$

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

$\,2\,\,x^2 +\,2\,x +\,2$ $\,2\,\,x^2 +\,2\,x \,-2$ $\,12\,\,x^2 \,-2\,x \,-2$ $\,2\,\,x^2 \,-2\,x \,-2$ $\,12\,\,x^2 +\,2\,x +\,2$