Processing Math: Done
Solution 2.1:3e
From Förberedande kurs i matematik 1
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Both terms contain <math>x</math>, which can therefore be taken out as a factor (as can 2). | Both terms contain <math>x</math>, which can therefore be taken out as a factor (as can 2). | ||
Revision as of 06:35, 21 August 2008
Both terms contain
18x−2x3=2x 9−2x
x2=2x(9−x)
The remaining second-degree factor
2x(9−x2)=2x(32−x2)=2x(3+x)(3−x)
which can also be written as