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

$\,3\,\,x^2 \,-7\,x$ $\,3\,\,x^2 \,-8\,x$ $\,-3\,\,x^2 +\,7\,x$ $\,3\,\,x^2 +\,7\,x$ $\,10\,\,x^2$

$\,7\,x \,-5 +\,8\,x +\,6 +\,4\,x=$ ?

$\,8\,x$ $\,20\,x$ $\,3\,x +\,11$ $\,19\,x +\,11$ $\,19\,x +\,1$ $\,11\,x +\,1$

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

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

$\,-9 +\,5\times(\,-9\,x\,) +\,6 =$ ?

$\,-45\,x \,-3$ $\,36\,x +\,6$ $\,-45\,x \,-15$ $\,45\,x \,-3$ $\,-4\,x \,-3$

$\,-3\,x +\,4\,y \,-5\,y +\,6\,x=$ ?

$\,xy +\,yx$ $\,3\,x \,-\,y$ $\,-9\,x +\,9\,y$ $\,-9\,x \,-\,y$ $\,3\,x \,-9\,y$

$ \,8\,\,x^2 - ( \,3 + \,5\,\,x^2 + \,2\,x)=$ ?

$\,13\,\,x^2 +\,2\,x +\,3$ $\,3\,\,x^2 +\,2\,x +\,3$ $\,3\,\,x^2 \,-2\,x \,-3$ $\,3\,\,x^2 +\,2\,x \,-3$ $\,13\,\,x^2 \,-2\,x \,-3$

$ \,6\,x + \,4\,y - ( \,4\,x - \,9\,y)=$ ?

$\,2\,x +\,5\,y$ $\,10\,x \,-5\,y$ $\,2\,x \,-5\,y$ $\,10\,x +\,13\,y$ $\,2\,x +\,13\,y$

$\,7\,x +\,4\,\,x^2 \,-5 +\,2\,\,x^2 +\,3=$ ?

$\,13\,\,x^2 \,-2$ $\,6\,\,x^2 +\,7\,x +\,8$ $\,-2\,\,x^2 +\,7\,x +\,6$ $\,-2\,\,x^2 +\,7\,x +\,8$ $\,6\,\,x^2 +\,7\,x \,-2$

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

$\,6\,x +\,8\,y +\,4$ $\,6\,x \,-8\,y +\,4$ $\,10\,x \,-8\,y \,-4$ $\,-6\,x +\,8\,y \,-4$ $\,10\,x +\,8\,y +\,4$

$\,8 + ( - \,2\,x + \,6) - ( \,7 - \,4\,x) =$ ?

$\,2\,x +\,7$ $\,2\,x +\,21$ $\,-6\,x +\,7$ $\,x +\,8$ $\,2\,x \,-5$