anonymous
  • anonymous
How do you factor 5ab-2b squared-2b+5a?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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lgbasallote
  • lgbasallote
try rearranging them \[\implies 5ab + 5a - 2b^2 - 2b\] do you see how to factor it now? or no?
anonymous
  • anonymous
No... Like I want to be taught the process to fully factor it
lgbasallote
  • lgbasallote
well the first step is to rearrange it (like i did)

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lgbasallote
  • lgbasallote
the next step...is to group the terms like this \[\implies (5ab + 5a) + (-2b^2 - 2b)\] still don't see the factor?
anonymous
  • anonymous
Yeah I see it .. So when you rearrange it... you do it according to the numbers and letters right?
lgbasallote
  • lgbasallote
yes
lgbasallote
  • lgbasallote
because you want the common terms to be together
anonymous
  • anonymous
Oh okay, so for instance, if it said 6ab+6a, I would group that first? Does it matter which order it's in?
lgbasallote
  • lgbasallote
it depends... remember: in addition there is a commutative property...that means order doesn't matter... but in subtraction...there's no commutative property
lgbasallote
  • lgbasallote
unless you do it like this 6ab - 6a => -6a + 6ab that's fine.. but these are not equal 6ab - 6a => 6a - 6ab
anonymous
  • anonymous
Oh okay, so what would you do if it was in subtraction? Can you give me another question to solve to see if I understand?
lgbasallote
  • lgbasallote
sure try this \[\huge 5xy + 10y - 4x^2 + 8y^2\]
lgbasallote
  • lgbasallote
it's a bit different since you don't have same numbers here
lgbasallote
  • lgbasallote
sorry...i have to go now...
anonymous
  • anonymous
Okay

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