khjushdg876cap khjushdg876cap

22-06-2017
Mathematics

contestada

factor 8ax + 20a + 6bx + 15b

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budwilkins budwilkins

04-07-2017

Split this into 2 parts: 8ax + 20a,
+ 6bx + 15b
8ax + 20a --> 4a (2x + 5)
+ 6bx + 15b --> + 3b (2x + 5)
Now combine them:
4a (2x + 5) + 3b (2x + 5), and now factor out the 2x+5
(2x + 5)(4a + 3b)

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