Question

If x is equal to 3 + root 8 find x square + 1 by x square

Answer 1

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Answer 2

Answer:

4-√8

Step-by-step explanation:

x=3+√8

x square + 1÷ x square=

(3+√8)+1÷3+√8=

(3+√8)+1×3-√8÷3+√8×3-√8

=4-√8÷9-8

=4-√8