$\,6\,x +\,4\,y +\,9\,y +\,x=$ ?

$\,5\,x \,-5\,y$ $\,7\,x +\,5\,y$ $\,5\,x +\,13\,y$ $\,7\,x +\,13\,y$ $\,10\,xy +\,10\,yx$

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

$\,-70\,\,x^2$ $\,-7\,\,x^2 +\,63\,x$ $\,-7\,\,x^2 \,-2\,x$ $\,-7\,\,x^2 \,-63\,x$ $\,7\,\,x^2 \,-63\,x$

$ \,2\,\,x^2 - ( \,8 + \,9\,\,x^2 + \,7\,x)=$ ?

$\,11\,\,x^2 +\,7\,x +\,8$ $\,-7\,\,x^2 +\,7\,x \,-8$ $\,11\,\,x^2 \,-7\,x \,-8$ $\,-7\,\,x^2 +\,7\,x +\,8$ $\,-7\,\,x^2 \,-7\,x \,-8$

$\,6\,x +\,7 +\,5\,x +\,5 +\,3\,x=$ ?

$\,26\,x$ $\,4\,x \,-2$ $\,14\,x \,-2$ $\,14\,x +\,12$ $\,16\,x$ $\,8\,x +\,12$

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

$\,9\,x \,-7$ $\,20\,x +\,1$ $\,20\,x \,-7$ $\,-20\,x \,-7$ $\,8\,x \,-4$

$\,1 + ( - \,6\,x + \,7) - ( \,5 - \,3\,x) =$ ?

$\,-\,x +\,1$ $\,-3\,x \,-11$ $\,-9\,x +\,3$ $\,-3\,x +\,3$ $\,-3\,x +\,13$

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

$\,x +\,5\,y +\,2$ $\,-\,x +\,5\,y \,-2$ $\,x \,-5\,y +\,2$ $\,11\,x \,-5\,y \,-2$ $\,11\,x +\,5\,y +\,2$

$\,-6\,x \,-4\,\,x^2 +\,6 \,-6\,\,x^2 +\,5=$ ?

$\,-10\,\,x^2 \,-6\,x +\,11$ $\,11\,\,x^2 \,-6\,x \,-10$ $\,-10\,\,x^2 \,-6\,x \,-1$ $\,-2\,\,x^2 \,-6\,x \,-1$ $\,-16\,\,x^2 +\,11$

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

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

$\,4\,x - ( - \,7\,\,x^2 - \,8 ) + \,3\,x=$ ?

$\,7\,\,x^2 +\,x +\,8$ $\,-7\,\,x^2 +\,7\,x +\,8$ $\,-7\,\,x^2 +\,7\,x \,-8$ $\,7\,\,x^2 +\,7\,x +\,8$ $\,7\,\,x^2 +\,7\,x \,-8$