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Solution 5.2:1c

From Förberedande kurs i matematik 1

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Tek (Talk | contribs)
(New page: Rewriting <math>x^2-6x</math> as <math>(x-3)^2-9</math> is perfectly valid and does not change the solutions to the equation. You should insert an <math>\Leftrightarrow</math> arrow betwee...)
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Rewriting x26x as (x3)29 is perfectly valid and does not change the solutions to the equation. You should insert an arrow between the equations.