Answer:
8
Step-by-step explanation:
The fact that DE is perpendicular to AC means triangles AED and CED are congruent and side AD is equal in length to side CD.
5x -20 = 2x +4
3x = 24 . . . . . . . add 20-2x
x = 8 . . . . . . . . . .divide by 3
The value of x is 8.
ANSWER IS CCCCCCCCCCCCCCCCCCCCCCCCCC
65 square root
I’m smart
-5x^5 + 2x^3 - 6x should be your answer