DF001
  • DF001
Need help with an Algebra question please.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
madhu.mukherjee.946
  • madhu.mukherjee.946
say
DF001
  • DF001
\[\left( 4m ^{2} n\right)(-m ^{6}n ^{-3})\]
DF001
  • DF001
I was never taught in class about this but, it is on the homework

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DF001
  • DF001
how can i apply the properties of integer exponents onto this
midhun.madhu1987
  • midhun.madhu1987
|dw:1441170971695:dw|
madhu.mukherjee.946
  • madhu.mukherjee.946
-4m^8n^-2
DF001
  • DF001
Why did the 4 become negative?
madhu.mukherjee.946
  • madhu.mukherjee.946
becoz there a -ve sign with the m
midhun.madhu1987
  • midhun.madhu1987
a * (-b) = - a*b
midhun.madhu1987
  • midhun.madhu1987
2 * (-3) = -(2*3) = -6
madhu.mukherjee.946
  • madhu.mukherjee.946
|dw:1441171141122:dw|
DF001
  • DF001
Did the 4 distribute to the -1 on m?
madhu.mukherjee.946
  • madhu.mukherjee.946
4 is becoming negative as there is a -1with the m^6,which is hidden
madhu.mukherjee.946
  • madhu.mukherjee.946
yes 4*-1 will give you -4
DF001
  • DF001
Is it possible to do this question by distributing and foiling?
DF001
  • DF001
i havent learn this yet i want to keep it easy
madhu.mukherjee.946
  • madhu.mukherjee.946
i don't know that but its quite simple if you do this in this way
madhu.mukherjee.946
  • madhu.mukherjee.946
see whenever bases are same the powers are added
madhu.mukherjee.946
  • madhu.mukherjee.946
for example- -3a*6a^7 =-18a^7+1 -18 a^8
DF001
  • DF001
i get the adding exponent but i dont know how to add or multiple the m with exponents
madhu.mukherjee.946
  • madhu.mukherjee.946
where are we multiplying m with the exponent?
DF001
  • DF001
i used the format that midhun showed me
DF001
  • DF001
-4(m^2*m^6)*(-m^6n^-3)
DF001
  • DF001
I got -4m^8 * 1/n^2
DF001
  • DF001
-4m^8/n^2
madhu.mukherjee.946
  • madhu.mukherjee.946
yeah its perfect
DF001
  • DF001
thank you
madhu.mukherjee.946
  • madhu.mukherjee.946
your welcome:) if you still have any problem you can ask me
DF001
  • DF001
|dw:1441172138967:dw| I want to ask one thing, my original problem had 4m^-2n
DF001
  • DF001
but it seems m^2 is not negative, i was wondering if it was a typo since a^2*a^m=a^m+n
madhu.mukherjee.946
  • madhu.mukherjee.946
pls post your original problem once more
DF001
  • DF001
oh nevermind, it was a mistake, sorry. it was correct
DF001
  • DF001
sorry, i read the wrong problem
madhu.mukherjee.946
  • madhu.mukherjee.946
its okay

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