iwanttogotostanford
  • iwanttogotostanford
SIMPLIFY HELP< KEEP GETTING STUCK: Simplify: (2x-5)^2
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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iwanttogotostanford
  • iwanttogotostanford
@Lord_Frieza
anonymous
  • anonymous
havent i already solved this?
iwanttogotostanford
  • iwanttogotostanford
yes but i don't get how to get the answer

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More answers

anonymous
  • anonymous
ok
iwanttogotostanford
  • iwanttogotostanford
i did FOIL and got x^2+11x+30 then i got 4x^2-25...
anonymous
  • anonymous
do you know how to get to (2x+−5)(2x+−5)
anonymous
  • anonymous
show me your work and ill tell you which step you are messing up on and why
iwanttogotostanford
  • iwanttogotostanford
yes
iwanttogotostanford
  • iwanttogotostanford
ok I FOILed it out and got: x^2+5x+6x+30
iwanttogotostanford
  • iwanttogotostanford
then I simplified and got x^2+11x+30 and then again to get 4x^2-25...
anonymous
  • anonymous
lol ok heres what i want you to do solve the whole thing then show me it so i can FULLY see what you are having trouble with
iwanttogotostanford
  • iwanttogotostanford
I did I told you all the steps I did
anonymous
  • anonymous
lol can i show you my steps and you can tell me which on you messed up on or how i did it
iwanttogotostanford
  • iwanttogotostanford
i wrote out (2x+5)(2x+5) then did First Outer, Inner, Last and got what I already told you
iwanttogotostanford
  • iwanttogotostanford
yeah
anonymous
  • anonymous
(2x−5)2 =(2x+−5)(2x+−5) =(2x)(2x)+(2x)(−5)+(−5)(2x)+(−5)(−5) =4x2−10x−10x+25
anonymous
  • anonymous
btw thats no the final answer
anonymous
  • anonymous
so i dont get in trouble
iwanttogotostanford
  • iwanttogotostanford
I thought for the First in Foil i would get 2x^ but your telling me it is 2x times 2x?
anonymous
  • anonymous
yup
iwanttogotostanford
  • iwanttogotostanford
oh ok got it now
iwanttogotostanford
  • iwanttogotostanford
i made a simple mistake
anonymous
  • anonymous
Should have explained it to you in the first place sorry for directly giving you the answers
iwanttogotostanford
  • iwanttogotostanford
its fine
anonymous
  • anonymous
k thx dont forget if you need help just tag me ill be glad to help a fellow student/learner out :D
iwanttogotostanford
  • iwanttogotostanford
ok! great thanks

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