Rewrite this so it is not in fraction for - inverse trig. Will give brainliest.

Country carpets charges $22 per square yard for carpeting, and an additional installation fee of $100. city carpets charges $25 per square yard for the same carpeting, and an additional installation fee of $70

What number should be added to both sides of the equation to complete this square? x^2-10x=7

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12