If f(x)=4x^3+3x^2−5x+20 and g(x)=9x^3−4x^2+10x−55, what is (g−f)(x)?
−5x^3+7x^2−15x+75
5x^3+x^2+5x+35
5x^3−7x^2+15x−75
13x^3−x^2+5x−35

Describe what moves you could use to create the transformation of the original image shown at right

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?

Solve 3x-18=2y and 5x-6y=6 by elimination show work