anonymous
  • anonymous
can someone completly factor these two equations and tell me how its done step by step for each? 2x^2 + 13x + 15 2x^2 + 27x + 13
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
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anonymous
  • anonymous
you try the second problem
lgbasallote
  • lgbasallote
the first one...2x^2 + 13x + 15...first think of the factors of 2...i only know 2 and 1 so... (2x + _ )(x + _ ) now factors of 15... 5 and 3...15 and 1..let's try using 15 and 1...(2x +1)(x+15) is impossible to give you 13 whether plus or minus (2x + 15)(x-1) will give you a middle term of 13 but will give you last term of -15 so that only leaves 5 and 3 (2x+5)(x+3)? no...the middle term would either be x or 11x in plus or minus...so change the order (2x+3)(x+5) works perfectly sorry for prolonging it...i wanna show it :D

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anonymous
  • anonymous
what about second one?
lgbasallote
  • lgbasallote
2x^2 + 27x +13 again 2 only has 2 and 1 as factors so,,, (2x+ _ )(x + _ ) 13 only has 1 factor...13 and 1 so your only problem is the sign and the order (2x +_ )(x + _) if 13 would go first...that would give you either 11x or 15x in plus or minus as middle term so the order would be... (2x+1)(x+13) now your only problem is the sign...seeing as the trinomial is all plus...the factors must be all plus too

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