Answer:
Step-by-step explanation:
Hello,
[tex](x-40)^2=36=6^2\\\\<=> \sqrt{(x-40)^2}=6\\\\<=> |x-40|=6\\\\<=> x-40 = 6 \ or \ x-40 = -6\\\\<=>x=46 \ or \ x = 34[/tex]
Hope this helps
