Answer :

=8-2[2^2-1]
=8-2(4-1)
=8-2(3)
=8-6
=2
8 - 2[(5 - 3)² - 1]
8 - 2[(2)² - 1]
8 - 2[4 - 1]
8 - 2[3]
8 - 6
2

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