Question

please tell someone please explain to me and I will mark you as a brainlist promise ​

Answer 1

..................................

Answer 2

(5x+8)2-160x=(5x-8)2

2after bracket indicates square

25x+64-160=25x-64

variable at one place numbers should be another place

25x-25x=-64-64+160

plus 25minus 25cancel,-64-64=-*-=+,so we should it but the sign is minus ok 128+160

X=128+160

X=288