SOLUTION: I have a question where it asks me to solve an quation x^2 -2=7 using the indicated method. a. solve by graphing b. solve by factoring c.solve by taking square roots

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Question 1125929: I have a question where it asks me to solve an quation x^2 -2=7 using the indicated method. a. solve by graphing b. solve by factoring c.solve by taking square roots
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
...., to solve an quation x^2 -2=7 ,...


x%5E2-2=7
x%5E2-2%2B2=7%2B2
x%5E2=9

system%28x=3%2Cor%2Cx=-3%29


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Those just ARE the steps. Nothing else to explain. The solution cannot be made any simpler. The only "method" which makes sense is isolate the x%5E2, and then factorize the ,... 9.