$\,5 \,-6\times(\,-7\,x\,) +\,6 =$ ?

$\,42\,x \,-1$ $\,42\,x +\,11$ $\,-13\,x +\,11$ $\,7\,x +\,6$ $\,-42\,x +\,11$

$\,8\times \,x \times \,4 + \,x \times (\,-4\,x\,) =$ ?

$\,-4\,\,x^2 +\,32\,x$ $\,-4\,\,x^2 \,-32\,x$ $\,4\,\,x^2 +\,32\,x$ $\,28\,\,x^2$ $\,-4\,\,x^2 +\,12\,x$

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

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

$\,-5\,x +\,1 \,-6\,x \,-6 \,-8\,x=$ ?

$\,-19\,x \,-5$ $\,-3\,x \,-5$ $\,-19\,x \,-7$ $\,-24\,x$ $\,-7\,x \,-7$ $\,-12\,x$

$\,6\,x +\,9\,\,x^2 \,-9 \,-5\,\,x^2 \,-8=$ ?

$\,-14\,\,x^2 +\,6\,x +\,1$ $\,4\,\,x^2 +\,6\,x +\,1$ $\,4\,\,x^2 +\,6\,x \,-17$ $\,-17\,\,x^2 +\,6\,x +\,4$ $\,10\,\,x^2 \,-17$

$\,7 + ( - \,4\,x + \,9) - ( \,7 - \,6\,x) =$ ?

$\,-10\,x +\,9$ $\,2\,x +\,9$ $\,2\,x \,-9$ $\,4\,x +\,7$ $\,2\,x +\,23$

$\,3\,x - ( - \,\,x^2 - \,9 ) + \,8\,x=$ ?

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

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

$\,-2\,x +\,y$ $\,-14\,x \,-\,y$ $\,-2\,x \,-13\,y$ $\,-14\,x \,-13\,y$ $\,-15\,xy $

$ \,7\,x + \,8\,y - ( \,6\,x - \,9\,y)=$ ?

$\,x +\,17\,y$ $\,13\,x \,-\,y$ $\,13\,x +\,17\,y$ $\,x \,-\,y$ $\,x +\,y$

$\,4\,x + (\,1 - \,8\,x + \,4\,y) =$ ?

$\,-4\,x +\,4\,y +\,1$ $\,4\,x +\,4\,y \,-1$ $\,-4\,x \,-4\,y +\,1$ $\,12\,x +\,4\,y +\,1$ $\,12\,x \,-4\,y \,-1$