Which expressions are listed in the simplest form? Check all that apply.

Use the quadratic formula to solve 5x=6x^2-3,what are the values of x?

Is the orthocenter of a triangle on the inside ?

Lena reflected this figure across the x-axis. she writes the vertices of the image as a'(−2, 8), b'(−5, 6), c'(−8, 8), d'(−4, 2).