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

$\,-\,x \,-2\,y$ $\,-3\,xy $ $\,-\,x +\,14\,y$ $\,-17\,x +\,2\,y$ $\,-17\,x +\,14\,y$

$\,9\,x +\,7\,\,x^2 +\,6 +\,\,x^2 +\,1=$ ?

$\,17\,\,x^2 +\,7$ $\,8\,\,x^2 +\,9\,x +\,7$ $\,6\,\,x^2 +\,9\,x +\,7$ $\,-6\,\,x^2 +\,9\,x \,-5$ $\,7\,\,x^2 +\,9\,x +\,8$

$\,x - ( - \,8\,\,x^2 - \,7 ) + \,3\,x=$ ?

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

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

$\,-6\,\,x^2 +\,21\,x$ $\,6\,\,x^2 \,-10\,x$ $\,6\,\,x^2 +\,21\,x$ $\,6\,\,x^2 \,-21\,x$ $\,27\,\,x^2$

$\,-6\,x +\,7 \,-3\,x \,-5 \,-3\,x=$ ?

$\,-10\,x$ $\,-6\,x +\,2$ $\,-12\,x +\,2$ $\,-6\,x \,-12$ $\,-12\,x \,-12$

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

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

$\,2\,x + (\,5 - \,4\,x + \,9\,y) =$ ?

$\,-2\,x \,-9\,y +\,5$ $\,6\,x +\,9\,y +\,5$ $\,-2\,x +\,9\,y +\,5$ $\,6\,x \,-9\,y \,-5$ $\,2\,x +\,9\,y \,-5$

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

$\,35\,x +\,5$ $\,-70\,x \,-2$ $\,-35\,x +\,5$ $\,-35\,x +\,9$ $\,2\,x +\,5$

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

$\,13\,\,x^2 \,-7\,x \,-4$ $\,\,x^2 \,-7\,x \,-4$ $\,\,x^2 +\,7\,x \,-4$ $\,13\,\,x^2 +\,7\,x +\,4$ $\,\,x^2 +\,7\,x +\,4$

$ \,9\,x + \,y - ( \,5\,x - \,8\,y)=$ ?

$\,14\,x +\,9\,y$ $\,4\,x \,-7\,y$ $\,4\,x +\,7\,y$ $\,14\,x \,-7\,y$ $\,4\,x +\,9\,y$