X²-8x=3
x²-8x+16=3+16=19
(x-4)²=19
x-4=±√19
x=4±√19
x=8.3589 approx or x=-0.3589 approx {4-√19,4+√19} or {-0.3589,8.3589}
Every hour has 60 minutes and every minute has 60 seconds. So 14 hours * 60 minutes/hour * 60 seconds/minute = 50400 seconds.
Do 42 divided by 15 then divided 12 by the awnser. And you do 42 divided by 28 and divided that by 12 I think I'm pretty sure
The answer is as follows: 1,800,000,000
-1/3+6
17/3
(Mark me the brainliest if this was helpful)