Question

(5x-2/3x)^2 can anyone plzz slove this

Answer 1

(5x-2/3x)^2
25x^2+4-2(5x)(2)/9x^2=0
25x^2+4-20x=0
25x^2-20x+4=0
25^2-10x-10x+4=0
5x(5x-2)-2(5x-2)=0
(5x-2)(5x-2)=0
x=2/5

Answer 2

=(5x)^2 + (2/3x)^2 -2(5x × 2/3x)
=25x^2 +4/9x^2-20/3
=(75+12x^2-20x^2)/3x^2
=(75-8x^2)/3x^2 .