$\,-9\,x +\,2\,\,x^2 +\,1 +\,5\,\,x^2 +\,5=$ ?

$\,6\,\,x^2 \,-9\,x +\,7$ $\,-2\,\,x^2 +\,6$ $\,7\,\,x^2 \,-9\,x +\,4$ $\,7\,\,x^2 \,-9\,x +\,6$ $\,3\,\,x^2 \,-9\,x +\,4$

$\,4 +\,5\times\,7\,x +\,8 =$ ?

$\,35\,x +\,12$ $\,12\,x +\,12$ $\,-35\,x +\,12$ $\,63\,x +\,8$ $\,35\,x \,-4$

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

$\,10\,x \,-7\,y \,-3$ $\,-6\,x +\,7\,y \,-3$ $\,10\,x +\,7\,y +\,3$ $\,6\,x \,-7\,y +\,3$ $\,6\,x +\,7\,y +\,3$

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

$\,12\,xy +\,9\,yx$ $\,4\,x \,-\,y$ $\,6\,x +\,y$ $\,6\,x +\,15\,y$ $\,4\,x +\,15\,y$

$\,-\,x \,-8 +\,2\,x \,-5 \,-4\,x=$ ?

$\,5\,x \,-13$ $\,-3\,x +\,3$ $\,-16\,x$ $\,-7\,x +\,3$ $\,-6\,x$ $\,-3\,x \,-13$

$ \,4\,x + \,3\,y - ( \,2\,x - \,9\,y)=$ ?

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

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

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

$\,-3\times \,x \times \,5 + \,x \times (\,-4\,x\,) =$ ?

$\,4\,\,x^2 \,-15\,x$ $\,-4\,\,x^2 +\,15\,x$ $\,-4\,\,x^2 \,-15\,x$ $\,-4\,\,x^2 +\,2\,x$ $\,-19\,\,x^2$

$\,7 + ( - \,x + \,3) - ( \,5 - \,8\,x) =$ ?

$\,5\,x +\,7$ $\,7\,x +\,15$ $\,-9\,x +\,5$ $\,7\,x +\,5$ $\,7\,x \,-1$

$ \,8\,\,x^2 - ( \,3 + \,2\,\,x^2 + \,6\,x)=$ ?

$\,10\,\,x^2 \,-6\,x \,-3$ $\,6\,\,x^2 \,-6\,x \,-3$ $\,10\,\,x^2 +\,6\,x +\,3$ $\,6\,\,x^2 +\,6\,x +\,3$ $\,6\,\,x^2 +\,6\,x \,-3$