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

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

$ \,2\,\,x^2 - ( \,2 + \,8\,\,x^2 + \,4\,x)=$ ?

$\,-6\,\,x^2 +\,4\,x +\,2$ $\,-6\,\,x^2 \,-4\,x \,-2$ $\,-6\,\,x^2 +\,4\,x \,-2$ $\,10\,\,x^2 +\,4\,x +\,2$ $\,10\,\,x^2 \,-4\,x \,-2$

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

$\,-16\,\,x^2 +\,3\,x$ $\,-16\,\,x^2 +\,x$ $\,2\,\,x^2 +\,x$ $\,16\,\,x^2 +\,x$ $\,2\,\,x^2 +\,3\,x$

$\,8\,x - ( - \,\,x^2 - \,4 ) + \,6\,x=$ ?

$\,-\,\,x^2 +\,14\,x \,-4$ $\,-\,\,x^2 +\,14\,x +\,4$ $\,\,x^2 +\,14\,x +\,4$ $\,\,x^2 +\,14\,x \,-4$ $\,\,x^2 +\,2\,x +\,4$

$\,4\,x + (\,1 - \,3\,x + \,4\,y) =$ ?

$\,-\,x +\,4\,y \,-1$ $\,x +\,4\,y +\,1$ $\,7\,x \,-4\,y \,-1$ $\,x \,-4\,y +\,1$ $\,7\,x +\,4\,y +\,1$

$\,3 + ( - \,6\,x + \,5) - ( \,7 - \,8\,x) =$ ?

$\,2\,x +\,15$ $\,-14\,x +\,1$ $\,2\,x +\,1$ $\,2\,x \,-9$