Math, asked by yamigautam0001, 9 months ago

x2 -1 is divisible by 8 if x is: X2 -1,8

Answers

Answered by carmelajoyce11

1

Step-by-step explanation:

x²-1=8

Use Trasposition

x²=8+1

x²=9

Take the square root of both sides

x=3

check:

(3)²-1

=9-1

=8

8 is divisible by 8

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