itsme123427
05.05.2020 •
Mathematics
X2-9=16 find x. X2 is x squared
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Ответ:
x=5
Step-by-step explanation:
Isolate the x by adding 9 on both sides:
Take the square root of both sides:
Simplify:
x=5
Ответ:
It is better to use completing the square method to solve this quadratic equation.