$\,-4\,x \,-4\,\,x^2 \,-8 \,-2\,\,x^2 \,-7=$ ?

$\,-15\,\,x^2 \,-4\,x \,-6$ $\,-6\,\,x^2 \,-4\,x +\,1$ $\,2\,\,x^2 \,-4\,x +\,1$ $\,-10\,\,x^2 \,-15$ $\,-6\,\,x^2 \,-4\,x \,-15$

$\,-8\,x +\,3 +\,2\,x \,-6 +\,4\,x=$ ?

$\,-6\,x \,-9$ $\,-2\,x \,-3$ $\,7\,x$ $\,-5\,x$ $\,-10\,x \,-3$ $\,-2\,x \,-9$

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

$\,11\,x \,-7\,y \,-6$ $\,x \,-7\,y +\,6$ $\,x +\,7\,y +\,6$ $\,11\,x +\,7\,y +\,6$ $\,-\,x +\,7\,y \,-6$

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

$\,-9\,\,x^2 +\,40\,x$ $\,9\,\,x^2 +\,40\,x$ $\,-9\,\,x^2 +\,13\,x$ $\,31\,\,x^2$ $\,-9\,\,x^2 \,-40\,x$

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

$\,0\,x +\,11$ $\,-25\,x +\,11$ $\,-45\,x +\,7$ $\,-25\,x \,-3$ $\,25\,x +\,11$

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

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

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

$\,2\,x +\,5$ $\,2\,x +\,19$ $\,-4\,x +\,5$ $\,x +\,6$ $\,2\,x \,-7$

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

$\,-8\,x +\,10\,y$ $\,-6\,x \,-10\,y$ $\,2\,xy $ $\,-6\,x +\,8\,y$ $\,-8\,x +\,8\,y$

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

$\,7\,\,x^2 +\,12\,x \,-5$ $\,7\,\,x^2 \,-6\,x +\,5$ $\,-7\,\,x^2 +\,12\,x \,-5$ $\,7\,\,x^2 +\,12\,x +\,5$ $\,-7\,\,x^2 +\,12\,x +\,5$

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

$\,-4\,x +\,9\,y$ $\,-4\,x \,-7\,y$ $\,6\,x +\,9\,y$ $\,6\,x \,-7\,y$ $\,-4\,x +\,7\,y$