$\,7\,x \,-6\,\,x^2 \,-4 +\,3\,\,x^2 \,-1=$ ?

$\,4\,\,x^2 \,-5$ $\,-5\,\,x^2 +\,7\,x \,-3$ $\,9\,\,x^2 +\,7\,x +\,3$ $\,-3\,\,x^2 +\,7\,x +\,3$ $\,-3\,\,x^2 +\,7\,x \,-5$

$\,3\times \,x \times \,8 + \,x \times \,3\,x =$ ?

$\,-3\,\,x^2 +\,24\,x$ $\,27\,\,x^2$ $\,3\,\,x^2 +\,24\,x$ $\,3\,\,x^2 +\,11\,x$ $\,3\,\,x^2 \,-24\,x$

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

$\,5\,\,x^2 +\,12\,x \,-8$ $\,5\,\,x^2 +\,12\,x +\,8$ $\,-5\,\,x^2 +\,12\,x +\,8$ $\,5\,\,x^2 +\,2\,x +\,8$ $\,-5\,\,x^2 +\,12\,x \,-8$

$\,6\,x \,-1 +\,x \,-4 +\,7\,x=$ ?

$\,12\,x \,-3$ $\,14\,x \,-3$ $\,9\,x$ $\,14\,x \,-5$ $\,17\,x$

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

$\,-12\,x \,-5\,y$ $\,6\,x +\,13\,y$ $\,6\,x +\,5\,y$ $\,-12\,x +\,13\,y$ $\,6\,xy \,-5\,yx$

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

$\,7\,x +\,3\,y$ $\,9\,x +\,3\,y$ $\,7\,x +\,15\,y$ $\,9\,x +\,15\,y$ $\,7\,x \,-3\,y$

$\,7 + ( - \,6\,x + \,5) - ( \,6 - \,2\,x) =$ ?

$\,-4\,x +\,6$ $\,-4\,x +\,18$ $\,-5\,x +\,7$ $\,-8\,x +\,6$ $\,-4\,x \,-4$

$\,2 \,-7\times\,5\,x \,-3 =$ ?

$\,35\,x \,-1$ $\,-2\,x \,-1$ $\,-35\,x +\,5$ $\,-35\,x \,-1$ $\,-25\,x \,-3$

$ \,4\,\,x^2 - ( \,4 + \,7\,\,x^2 + \,3\,x)=$ ?

$\,-3\,\,x^2 \,-3\,x \,-4$ $\,11\,\,x^2 +\,3\,x +\,4$ $\,11\,\,x^2 \,-3\,x \,-4$ $\,-3\,\,x^2 +\,3\,x \,-4$ $\,-3\,\,x^2 +\,3\,x +\,4$

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

$\,4\,x +\,5\,y +\,8$ $\,14\,x +\,5\,y +\,8$ $\,4\,x \,-5\,y +\,8$ $\,14\,x \,-5\,y \,-8$ $\,-4\,x +\,5\,y \,-8$