Can you help me find X 2x=10? Pretty please

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

A)a square brown tarp has a square green patch green in the corner the side length of the tarp is (x + 8) and the side length of the patch is x what is the area of the brown part of the tarpb)a square red placemat has a gold square in the corner the side length of the gold square is (x - 2) inches with the width of the red region is 4 in what is the area of the red part of the placemat

What is the domain of the of the exponential function shown below?