$\,-1\times \,x \times (\,-9\,) + \,x \times (\,-5\,x\,) =$ ?

$\,-5\,\,x^2 +\,9\,x$ $\,4\,\,x^2$ $\,-5\,\,x^2 \,-9\,x$ $\,5\,\,x^2 +\,9\,x$ $\,-5\,\,x^2 \,-10\,x$

$\,6 +\,6\times\,7\,x +\,1 =$ ?

$\,42\,x +\,5$ $\,13\,x +\,7$ $\,42\,x +\,7$ $\,-42\,x +\,7$ $\,84\,x +\,1$

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

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

$\,6\,x +\,5\,\,x^2 \,-8 +\,6\,\,x^2 +\,7=$ ?

$\,11\,\,x^2 +\,6\,x \,-1$ $\,17\,\,x^2 \,-1$ $\,-\,\,x^2 +\,6\,x +\,11$ $\,11\,\,x^2 +\,6\,x +\,15$ $\,\,x^2 +\,6\,x +\,15$

$\,3\,x +\,9 \,-2\,x +\,4 \,-6\,x=$ ?

$\,-\,x \,-5$ $\,8\,x$ $\,-5\,x \,-5$ $\,7\,x +\,13$ $\,-5\,x +\,13$

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

$\,\,x^2 +\,6\,x +\,7$ $\,\,x^2 +\,6\,x \,-7$ $\,\,x^2 \,-6\,x \,-7$ $\,15\,\,x^2 +\,6\,x +\,7$ $\,15\,\,x^2 \,-6\,x \,-7$

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

$\,3\,x \,-\,y$ $\,11\,x +\,y$ $\,3\,x +\,9\,y$ $\,11\,x +\,9\,y$ $\,3\,x +\,y$

$\,8\,x \,-9\,y +\,3\,y \,-6\,x=$ ?

$\,2\,x +\,12\,y$ $\,14\,x \,-6\,y$ $\,14\,x \,-12\,y$ $\,2\,x \,-6\,y$ $\,-\,xy \,-3\,yx$

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

$\,-3\,\,x^2 +\,9\,x \,-4$ $\,3\,\,x^2 +\,9\,x +\,4$ $\,3\,\,x^2 +\,7\,x +\,4$ $\,-3\,\,x^2 +\,9\,x +\,4$ $\,3\,\,x^2 +\,9\,x \,-4$

$\,7 + ( - \,3\,x + \,9) - ( \,5 - \,2\,x) =$ ?

$\,-\,x +\,21$ $\,-\,x +\,11$ $\,-\,x \,-7$ $\,3\,x +\,7$ $\,-5\,x +\,11$