Simplify the following expression as far as possible: 2 x 2 - ( x + 3) - 2 x (1 - x)
Input:2 x 2 - ( x + 3) - 2 x (1 - x)
Intepretation:2x2−(x+3)−2x(1−x)
=2x2−x−3−2x+2x2
=4x2−3x−3
Q.E.D.
2x2−(x+3)−2x(1−x)=2x2−x−3−2x+2x2=4x2−3x−3
+36 
