KyonL150870
KyonL150870
31-10-2022
Mathematics
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Expand: (2f-1) to the second power
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CarbonX634138
CarbonX634138
31-10-2022
To expand the expression: (2f-1) to the second power
[tex]\begin{gathered} (2f-1)^2=(2f-1)(2f-1) \\ =2f(2f-1)-1(2f-1) \\ =4f^2-2f-2f+1 \\ =4f^2-4f+1 \end{gathered}[/tex]
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