anonymous
  • anonymous
-2(2-(-1)^2 - 3(4)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
the ^2 means squared
LynFran
  • LynFran
\[-2(2-(-1))^{2}-3(4)\]\[-2(3)^2-12\]\[-2(9)-12\]
LynFran
  • LynFran
Simplify

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More answers

anonymous
  • anonymous
why did you put a 2 outside of the parenthesis
LynFran
  • LynFran
thats what u have
anonymous
  • anonymous
i typed the problem in wrong sorry! -(2-(-1)^2-3(4)
LynFran
  • LynFran
\[-(2-(-1))^2-3(4)\]\[-(2+1)^2-12\]\[-(9)-12\]
LynFran
  • LynFran
simplify
anonymous
  • anonymous
-21 ?
anonymous
  • anonymous
i don't think thats right
LynFran
  • LynFran
yea correct
anonymous
  • anonymous
the answer is -13 but idk how to solve to get that answer
Supernaturallvr24
  • Supernaturallvr24
I got -13
anonymous
  • anonymous
could you please help and show me how to solve it?
LynFran
  • LynFran
really https://www.symbolab.com/solver/step-by-step/-%5Cleft(2-%5Cleft(-1%5Cright)%5Cright)%5E%7B2%7D-3%5Cleft(4%5Cright)/?origin=enterkey
Supernaturallvr24
  • Supernaturallvr24
@allymack OK so the problem was -(2-(-1)^2-3(4). First thing to remember is use P.E.M.D.A.S. So (-1)^2= (-1). Next. 3*4=12. After that is -(2-(-1)=(-1). So (-1)-12=(-13)!
Supernaturallvr24
  • Supernaturallvr24
Hope that explains it!!
LynFran
  • LynFran
o i see it was just the (-1)^1 and not the entire bracket lol
Supernaturallvr24
  • Supernaturallvr24
Yeah :) glad I could help!
anonymous
  • anonymous
could you please show step by step so i can write it out
Supernaturallvr24
  • Supernaturallvr24
OK. Step 1: (-1)^2=(-1) Step 2: 3*4=12 Step 3: -(2-(-1)=(-1) Step 4: (-1)-12=(-13) [Another way to write this is 1+12=13 then make it negative. How's that?
LynFran
  • LynFran
no (-1)^2= positive 1
anonymous
  • anonymous
the way you wrote it out is not in the order i have to show my work in
anonymous
  • anonymous
its confusing me
LynFran
  • LynFran
\[-(2-(-1)^2)-3(4)\]\[-(2-1)-12\]\[-(1)-12\]\[-13\]
anonymous
  • anonymous
@LynFran thank you so much!
Supernaturallvr24
  • Supernaturallvr24
Nope, if you put it into a calculator then it equals (-1). Well, it's also depending on HOW you put it into the calculator.
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LynFran
  • LynFran
no u need to put brackets (-1)^2
LynFran
  • LynFran
negative # times a negative #= positive #
Supernaturallvr24
  • Supernaturallvr24
The (-) in front of the 1 on my calculator is a negative sign, the button for that is next to the period button on there.
Supernaturallvr24
  • Supernaturallvr24
I guess that is true though.
Supernaturallvr24
  • Supernaturallvr24
Either way it still equals (-13)
LynFran
  • LynFran
yea thanks for high-lightening that
Supernaturallvr24
  • Supernaturallvr24
No problem :)

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