$\,6\,x +\,5\,\,x^2 \,-1 +\,4\,\,x^2 +\,4=$ ?

$\,3\,\,x^2 +\,6\,x +\,9$ $\,15\,\,x^2 +\,3$ $\,9\,\,x^2 +\,6\,x +\,3$ $\,-\,\,x^2 +\,6\,x +\,5$ $\,\,x^2 +\,6\,x +\,3$

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

$\,-9\,x +\,1$ $\,8\,x$ $\,-9\,x +\,17$ $\,7\,x +\,17$ $\,7\,x +\,1$ $\,-10\,x$

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

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

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

$\,-9\,x +\,11\,y$ $\,-9\,x \,-\,y$ $\,7\,x +\,y$ $\,7\,x +\,11\,y$ $\,5\,xy \,-3\,yx$

$\,-2\times \,x \times \,7 + \,x \times \,9\,x =$ ?

$\,-5\,\,x^2$ $\,9\,\,x^2 \,-14\,x$ $\,9\,\,x^2 +\,5\,x$ $\,9\,\,x^2 +\,14\,x$ $\,-9\,\,x^2 \,-14\,x$

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

$\,-6\,x \,-13$ $\,-5\,x +\,2$ $\,-6\,x +\,3$ $\,-6\,x +\,17$ $\,-10\,x +\,3$

$ \,4\,\,x^2 - ( \,5 + \,\,x^2 + \,6\,x)=$ ?

$\,3\,\,x^2 \,-6\,x \,-5$ $\,5\,\,x^2 \,-6\,x \,-5$ $\,3\,\,x^2 +\,6\,x \,-5$ $\,3\,\,x^2 +\,6\,x +\,5$ $\,5\,\,x^2 +\,6\,x +\,5$

$\,5 +\,8\times\,8\,x +\,7 =$ ?

$\,-64\,x +\,12$ $\,64\,x \,-2$ $\,104\,x +\,7$ $\,16\,x +\,12$ $\,64\,x +\,12$

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

$\,8\,\,x^2 +\,17\,x \,-2$ $\,-8\,\,x^2 +\,17\,x +\,2$ $\,-8\,\,x^2 +\,17\,x \,-2$ $\,8\,\,x^2 +\,17\,x +\,2$ $\,8\,\,x^2 +\,x +\,2$

$ \,7\,x + \,2\,y - ( \,5\,x - \,4\,y)=$ ?

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