How do i find the area if the x is 25. i broke the shape into a rectangle and a triangle, the area of the smaller rectangle is 40 and the area of the bigger rectangle is 250. I am trying to find the area of the whole complex figure

How do i find the area if the x is 25 i broke the shape into a rectangle and a triangle the area of the smaller rectangle is 40 and the area of the bigger recta class=