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

$\,-9\,x +\,4$ $\,-20\,x +\,4$ $\,24\,x +\,5$ $\,20\,x +\,4$ $\,20\,x \,-6$

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

$\,-5\,\,x^2 \,-63\,x$ $\,58\,\,x^2$ $\,-5\,\,x^2 +\,16\,x$ $\,-5\,\,x^2 +\,63\,x$ $\,5\,\,x^2 +\,63\,x$

$ \,2\,\,x^2 - ( \,9 + \,4\,\,x^2 + \,6\,x)=$ ?

$\,6\,\,x^2 +\,6\,x +\,9$ $\,-2\,\,x^2 \,-6\,x \,-9$ $\,6\,\,x^2 \,-6\,x \,-9$ $\,-2\,\,x^2 +\,6\,x +\,9$ $\,-2\,\,x^2 +\,6\,x \,-9$

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

$\,-2\,x +\,14\,y$ $\,-2\,x \,-2\,y$ $\,6\,x +\,14\,y$ $\,6\,x +\,2\,y$ $\,10\,xy +\,2\,yx$

$\,-6\,x +\,9\,\,x^2 +\,5 \,-\,\,x^2 \,-6=$ ?

$\,8\,\,x^2 \,-6\,x \,-11$ $\,2\,\,x^2 \,-1$ $\,8\,\,x^2 \,-6\,x \,-1$ $\,-\,\,x^2 \,-6\,x +\,8$ $\,-10\,\,x^2 \,-6\,x \,-11$

$\,9 + ( - \,2\,x + \,1) - ( \,1 - \,8\,x) =$ ?

$\,-10\,x +\,9$ $\,6\,x +\,7$ $\,6\,x +\,9$ $\,6\,x +\,11$

$\,7\,x - ( - \,6\,\,x^2 - \,4 ) + \,8\,x=$ ?

$\,6\,\,x^2 +\,15\,x \,-4$ $\,-6\,\,x^2 +\,15\,x \,-4$ $\,-6\,\,x^2 +\,15\,x +\,4$ $\,6\,\,x^2 \,-\,x +\,4$ $\,6\,\,x^2 +\,15\,x +\,4$

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

$\,11\,x \,-13$ $\,13\,x \,-13$ $\,x +\,1$ $\,12\,x$ $\,13\,x +\,1$

$\,7\,x + (\,7 - \,8\,x + \,5\,y) =$ ?

$\,15\,x +\,5\,y +\,7$ $\,-\,x \,-5\,y +\,7$ $\,x +\,5\,y \,-7$ $\,15\,x \,-5\,y \,-7$ $\,-\,x +\,5\,y +\,7$

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

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