So final step to do is you square root the x^2 and square root the 4000 which will get you answer of x = 63.2455532034 which can be 63.2. Hope this help!!
(5/3)*(7/3) = 35*(1/3)²
The area is 35 square units.
4 (1/2 + 5/4) + -5
4 7/5 + -5
5 3/4 + -5
3/4
3(4x+5)+2
3•4x=12x
5•3=15+2=17
Answer= 12x + 17