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(a - 2b)³ when a = -2 and b = -1/2​
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(a - 2b)³ when a = -2 and b = -1/2​

User Gauravmuk
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1 Answer

3 votes

(-2 - 2(-1/2))^3

= (-2 + 1)^3

= (-1)^3

= -1

User Jeff Guillaume
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