4(2x−16)^2−10(2x−16)+4=0

Question

4(2x−16)^2−10(2x−16)+4=0

Answer 1

4(4x^2-64x+256)-20x+160+4=0
16x^2-256x+1024-20x+164=0
16x^2-276x+1188=0   /4
4x^2-69x+297=0
дальше незнаю