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Zarrin [17]
3 years ago
15

X^2- 11 = 70 I need help on how to solve this

Mathematics
2 answers:
brilliants [131]3 years ago
6 0

Answer: Add 11 to the other side of the equation, giving you 81. Then, since x is square you are going to need to square root both sides (\sqrt{x} this symbol). When you do that, you should get what x is! Let me know if you still need help!

iren2701 [21]3 years ago
4 0
<h3>Answer:</h3>

±9

<h3>Step-by-step explanation:</h3>

<u>We are given the equation:</u>

x² - 11 = 70

<u>Solving for x:</u>

x² - 11 = 70

x² = 81                                                          [adding 11 on both sides]

x = ±√81                                                 [taking the square root of both sides]

x = ±9

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Question:

<em>Simplify √50. Show your work.</em>

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