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Factorise 15x + 35y - 40 z
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2 votes
Factorise 15x + 35y - 40 z

User Eduardosufan
by
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2 Answers

6 votes
Put number five as a common factor.

15x + 35y + 40z = 5 . 3x + 5 .7y + 5 .8z

= 5 . ( 3x + 7y + 8z )
User Antonio Leonardo
by
8.2k points
5 votes
5(3x+7y-8z)

Factor out the common number
User Raphaele Adjerad
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