5x-2xraise to power 2 -8 ; 8xraise to power 2 -7x-9 ;3x+7x raise to power2 -2
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5x-2xraise power2-8 = 3x raise to power-6 so 3x upon 6 , 8x raise to power 2-7×-9 = 8x raise to power 45 , 3x +7x raise to power 2-2 = 10x raise to power 1 because 0=1 mark this answer in brainliest answer
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