moongazer
  • moongazer
let x=4 -x^4 = -256 is this correct?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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moongazer
  • moongazer
not -x^4 = 256 because this -x^4 means -1(4)^4 not (-4)^4
moongazer
  • moongazer
Is it correct?
anonymous
  • anonymous
nop

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More answers

anonymous
  • anonymous
it is 256
TheViper
  • TheViper
(-x)^4=256 & -(x^4)=-256
anonymous
  • anonymous
becoz instead of x u r giving 4
TheViper
  • TheViper
Does that help @moongazer ??
anonymous
  • anonymous
-4 * -4 * -4 * -4=
TheViper
  • TheViper
Becoz according to BODMAS rule first we solve brackets :)
moongazer
  • moongazer
so -x^4 = -256 is correct right?
anonymous
  • anonymous
but it is like this (-4)^4
moongazer
  • moongazer
But there is no parenthesis ?
moongazer
  • moongazer
so it is like -1(x)^4
anonymous
  • anonymous
or wat is -x*-x*-x*-x
anonymous
  • anonymous
nw give x=4
anonymous
  • anonymous
wat will the answer
TheViper
  • TheViper
BODMAS :- http://www.mathsisfun.com/operation-order-bodmas.html PEMDAS :- http://www.purplemath.com/modules/orderops.htm
anonymous
  • anonymous
just think like that
anonymous
  • anonymous
-x^4=-x*-x*-x*-x
moongazer
  • moongazer
isn't that \[-4^2 \neq (-4)^2\]
moongazer
  • moongazer
???
anonymous
  • anonymous
why both r same
moongazer
  • moongazer
no it is not
anonymous
  • anonymous
why>>>>>>
moongazer
  • moongazer
http://www.wolframalpha.com/input/?i=-4%5E2
anonymous
  • anonymous
ok.....@moongazer nw tell is this correct or not -x^4=-x*-x*-x*-x
moongazer
  • moongazer
http://www.wolframalpha.com/input/?i=%28-4%29%5E2
anonymous
  • anonymous
@moongazer
moongazer
  • moongazer
That is wrong I think.
lgbasallote
  • lgbasallote
-x^4 = -256 for the record...
anonymous
  • anonymous
indeed
moongazer
  • moongazer
that's the question I am asking :)
lgbasallote
  • lgbasallote
so i guess it's down to a 2-on-2
anonymous
  • anonymous
why //
anonymous
  • anonymous
@lgbasallote -x^4=-x*-x*-x*-x
anonymous
  • anonymous
@Yahoo! this is -(x^4) not (-x)^4
lgbasallote
  • lgbasallote
because the exponent just affects the nearest base
anonymous
  • anonymous
look his question it is just -x^4
lgbasallote
  • lgbasallote
exactly
lgbasallote
  • lgbasallote
the ^4 is just on x...not on - too
moongazer
  • moongazer
because -x^4 is like -1(x)^4 not (-x)^4 I think this is the explanation?
anonymous
  • anonymous
i would say if (-x)^4=256 & -(x^4)=-256
lgbasallote
  • lgbasallote
-x^4 = -(x^4)
anonymous
  • anonymous
so wat is -2^2
lgbasallote
  • lgbasallote
-4
moongazer
  • moongazer
@Yahoo! (-1)(4) so -4
anonymous
  • anonymous
-2^2 = -1 (2^2) = -1 * 4 = -4
lgbasallote
  • lgbasallote
let this be an end to these skepticisms http://www.wolframalpha.com/input/?i=-4%5E4
anonymous
  • anonymous
when there is a minus, do all the stuff before minusing
anonymous
  • anonymous
hey ..... it is like this (-x)^4=256 & -(x^4)=-256
anonymous
  • anonymous
nop visit http://www.wolframalpha.com/input/?i=%28-4%29^4
anonymous
  • anonymous
http://www.wolframalpha.com/input/?i=-2^2
anonymous
  • anonymous
(-x)^4=256 -x^4 = -256 ................ agreed
lgbasallote
  • lgbasallote
lol

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