$\,2\,x +\,8\,y +\,2\,y +\,5\,x=$ ?

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

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

$\,-6\,x +\,15$ $\,x +\,15$ $\,6\,x +\,15$ $\,-6\,x +\,1$ $\,-22\,x +\,7$

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

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

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

$\,5\,\,x^2 +\,2\,x +\,3$ $\,3\,\,x^2 +\,2\,x +\,5$ $\,11\,\,x^2 +\,2\,x +\,7$ $\,5\,\,x^2 +\,5$ $\,3\,\,x^2 +\,2\,x +\,7$

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

$\,-6\,\,x^2 +\,3\,x$ $\,-6\,\,x^2 \,-40\,x$ $\,-6\,\,x^2 +\,40\,x$ $\,-46\,\,x^2$ $\,6\,\,x^2 \,-40\,x$

$\,6\,x - ( - \,5\,\,x^2 - \,1 ) + \,3\,x=$ ?

$\,-5\,\,x^2 +\,9\,x \,-1$ $\,-5\,\,x^2 +\,9\,x +\,1$ $\,5\,\,x^2 +\,3\,x +\,1$ $\,5\,\,x^2 +\,9\,x +\,1$ $\,5\,\,x^2 +\,9\,x \,-1$

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

$\,-3\,x +\,2\,y$ $\,5\,x \,-2\,y$ $\,-3\,x +\,12\,y$ $\,-3\,x \,-2\,y$ $\,5\,x +\,12\,y$

$\,8\,x \,-7 +\,9\,x +\,9 \,-9\,x=$ ?

$\,-10\,x +\,16$ $\,8\,x +\,2$ $\,-8\,x$ $\,26\,x +\,2$ $\,8\,x +\,16$ $\,10\,x$

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

$\,-3\,x \,-1$ $\,x +\,17$ $\,-3\,x +\,3$ $\,x \,-1$ $\,x \,-11$

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

$\,x +\,6\,y \,-8$ $\,-\,x +\,6\,y +\,8$ $\,15\,x \,-6\,y \,-8$ $\,-\,x \,-6\,y +\,8$ $\,15\,x +\,6\,y +\,8$