Algebraic expression -[8a²-{7a²-[6a²-(5a²-a²+8)]}])
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Step-by-step explanation:
-[8a²-{7a²-[6a²-(5a²-a²+8)]}] = -[8a²-{7a²-[6a²-(4a²+8)]}]
= -[8a²-{7a²-[6a²- 4a²-8]}]
= -[8a²-{7a²-[2a²-8]}]
= -[8a²-{7a²- 2a²+8}]
= -[8a²-{5a²+8}]
= -[8a²-5a²-8]
= -[3a²-8]
= -3a²+8
= 8-3a²
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