(-5/2)^3+3(-5/2)^2+3(-5/2)+1
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Step-by-step explanation:
-125/8+3x25/4-15/2+1
-125/8+75/4-15+2/2
-125/8+150/8-13/2
25/8-13/2
25-13x4/8
25-52/8
-17/8
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