Answer :

Answer:

Answer: 9

Step-by-step explanation:

X^2-11=70

X^2=81

X=√81

X=9

Sfigaro440

Answer:

X^2-11=70

X^2-11+11=70+11 Add 11 to both sides

x^2=70+11 Add 11 to 70

x^2=81 Now simplify

x=9

Step-by-step explanation:

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