anonymous
  • anonymous
How do you factor 4q^2-19q+12 I can get to this but I don't know what to about the -19. (2q 6)+(2q 2)
Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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yamyam70
  • yamyam70
hi :) first multiply 4 and 12 :)
anonymous
  • anonymous
hi ok I get 48 which could possibly be -2 x24
anonymous
  • anonymous
but how to make that equal -19

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More answers

yamyam70
  • yamyam70
okay, next step is to get the factor pairs of 48, that when you add it the result is -19 :)
yamyam70
  • yamyam70
what do you think would be the 2 factors?
anonymous
  • anonymous
that's where I am getting stuck
yamyam70
  • yamyam70
try -16, -3
anonymous
  • anonymous
that works thak you
anonymous
  • anonymous
*thank
yamyam70
  • yamyam70
so what would be your factors?
anonymous
  • anonymous
-16 *-3
anonymous
  • anonymous
(2q-166)+(2q-32)
yamyam70
  • yamyam70
aha, what would be your final answer ?
yamyam70
  • yamyam70
that is not a factor :) ,that is addition, which likely you will combine like terms :)
anonymous
  • anonymous
4Q(-198)
anonymous
  • anonymous
here
1 Attachment
yamyam70
  • yamyam70
1q-4(4q-3) is correct :)
anonymous
  • anonymous
Thank you for the explanation now I get how to do it. I tried another site and all they wanted to do is give me the answer which doesn't really help me learn
yamyam70
  • yamyam70
What I do is, I factor by grouping, do you want me to teach you that ? :)
anonymous
  • anonymous
if you don't mind
yamyam70
  • yamyam70
You're welcome :)
yamyam70
  • yamyam70
Okay here goes
anonymous
  • anonymous
Yeap np that method is called the umbrella method, easiest to learn until you learn how to just look at the problem and get the answer
yamyam70
  • yamyam70
4q^2-19q + 12 * first we multiply 4 and 12 we get 48, our goal is to find factors of 48 , that when we combine them we get -19 q , follow?
anonymous
  • anonymous
yes
yamyam70
  • yamyam70
our factor pair is , -16 and -3 , which will give us -19 :)
anonymous
  • anonymous
that makes it seem easy now.
yamyam70
  • yamyam70
so when grouping , it goes like this , . . 4q^2 -16q -3q +12 -16 and -3 are our factors :)
yamyam70
  • yamyam70
we just expanded -19q :)
anonymous
  • anonymous
yes expanded it so that it would be a factor of both numbers
yamyam70
  • yamyam70
aha!
yamyam70
  • yamyam70
so by grouping we take the GCF of the First Two terms.
yamyam70
  • yamyam70
and we do the same for the other 2 terms :)
anonymous
  • anonymous
I wrote it down so I wont forget it. Thanks now to figure out how to do this one 2(a+b)^2-5(a+b)-3
yamyam70
  • yamyam70
what are we trying to do?
anonymous
  • anonymous
same thing factor it out completely
yamyam70
  • yamyam70
I see.
yamyam70
  • yamyam70
one moment :)
anonymous
  • anonymous
(a+b^2 +a+b)-6
yamyam70
  • yamyam70
what do you think should be done first? exponent or constant?
yamyam70
  • yamyam70
is that what we are trying to factor?
anonymous
  • anonymous
no I was trying to figure it out 2(a+b)^@+(a+b)-6 I think I should athe a+b together correct
anonymous
  • anonymous
^2
yamyam70
  • yamyam70
we have an exponent ^2
anonymous
  • anonymous
yes on the first a +b
yamyam70
  • yamyam70
yup, so we can't combine
yamyam70
  • yamyam70
to be honest I'm quite rusty on this, lol I'll seek help for you :)
anonymous
  • anonymous
ok I need all the help I can get:)
yamyam70
  • yamyam70
@DebbieG We may need your help :)
anonymous
  • anonymous
the problem is 2(a+b)^2-5(a+b)-3
yamyam70
  • yamyam70
uhmm red, I'm going to bed as, I have class tommorow, so nice time with you :) night
anonymous
  • anonymous
thank you for the help
yamyam70
  • yamyam70
Just start another session :)
yamyam70
  • yamyam70
bye :)
anonymous
  • anonymous
ok I will

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