anonymous
  • anonymous
does (2x+15)(x-2)=2x^2+13x+15
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
15(2) = 30 ..NOT 15...so I would have to say no
anonymous
  • anonymous
I just got that...
anonymous
  • anonymous
you typoed or else its wrong lol

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anonymous
  • anonymous
how do you get thirteen?
anonymous
  • anonymous
No I just got that it was wrong lol
anonymous
  • anonymous
id be 15x-4x if anything and even that's bad....
anonymous
  • anonymous
FOIL the thing out dude :)
anonymous
  • anonymous
I don't think that's right.
anonymous
  • anonymous
I tried. I hate algebra lol
anonymous
  • anonymous
(2x+15)(x-2) 2x(x) + 2x(-2) +15(x) +15(-2)
anonymous
  • anonymous
2x^2 -4x +15x -30 2x^2 +11x -30
anonymous
  • anonymous
then wouldn't it be using 10 and 3?
anonymous
  • anonymous
would what be using 10 and 3 ? what would make it true you mean?
anonymous
  • anonymous
yeah lol
anonymous
  • anonymous
never mind
anonymous
  • anonymous
what are the factor of 15? 1,15 3,5 thats your options right there if you want integer answers.
anonymous
  • anonymous
that's wrong too
anonymous
  • anonymous
well what I said
anonymous
  • anonymous
15+1 = 16 3+5 =8...so you dont get a right answer lol
anonymous
  • anonymous
Well what my teacher taught us to multiply the end numbers and factor the number from that
anonymous
  • anonymous
i hate shortcuts as answers, unless you understand the mechanics of what is going on in the problem; shortcuts just confuse the issue.
anonymous
  • anonymous
distribute the equations thru...
anonymous
  • anonymous
tell me: what does it mean to distribute?
anonymous
  • anonymous
a(b+c) = ?? a(b) + a(c) right?
anonymous
  • anonymous
I know what it means. This review for us. I just don't remember any of it.
anonymous
  • anonymous
did i just "distribute" that a thru the paranthesis?
anonymous
  • anonymous
yes
anonymous
  • anonymous
(f+l) (m+n) distribute the first into the last there: (f+l)(m) + (f+l)(n) Now distribute again :) f(m) + l(m) + f(n) + l(n)
anonymous
  • anonymous
that is HOW you solve the problem....the shortcut is FOIL or whatever acronym they feel like using...
anonymous
  • anonymous
when you forget the shortcuts, use the actual process ;)
anonymous
  • anonymous
ok, thanks lol

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