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

$\,2\,x +\,18$ $\,2\,x +\,4$ $\,-8\,x +\,4$ $\,-3\,x +\,9$

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

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

$ \,3\,x + \,4\,y - ( \,7\,x - \,6\,y)=$ ?

$\,10\,x +\,10\,y$ $\,-4\,x \,-2\,y$ $\,-4\,x +\,2\,y$ $\,-4\,x +\,10\,y$ $\,10\,x \,-2\,y$

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

$\,6\,x \,-4\,y \,-3$ $\,4\,x +\,4\,y \,-3$ $\,-4\,x \,-4\,y +\,3$ $\,-4\,x +\,4\,y +\,3$ $\,6\,x +\,4\,y +\,3$

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

$\,\,x^2 +\,7\,x +\,3$ $\,\,x^2 +\,11\,x +\,3$ $\,-\,\,x^2 +\,11\,x +\,3$ $\,-\,\,x^2 +\,11\,x \,-3$ $\,\,x^2 +\,11\,x \,-3$

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

$\,-12\,\,x^2 \,-\,x$ $\,-2\,\,x^2 \,-\,x$ $\,-12\,\,x^2 +\,15\,x$ $\,-2\,\,x^2 +\,15\,x$ $\,12\,\,x^2 \,-\,x$