PLEASEEE I REALLY NEED HELP

solve for x. the screenshot is there.

The collection of beautiful oil paintings currently on display at an art gallery well defined; set not well defined; not a set

Graph a triangle (xyz) and reflect it over the line y=x to create triangle x’y’z’. describe the transformation using words. draw a line segment from point x to the reflecting line, and then draw a line segment from point x’ to the reflecting line. what do you notice about the two line segments you drew? do you think you would see the same characteristics if you drew the line segment connecting y with the reflecting line and then y’ with the reflecting line? how do you know?

Factor the gcf out of the polynomial 9x^6+6x^4+15x^3