maykodiak maykodiak
  • 23-09-2019
  • Mathematics
contestada

(8a to the 3rd power -3b to the 2nd power) -(-a to the third power +b to the 2nd power)

Simplify

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 25-09-2019

Answer:

  7a³-2b²

Step-by-step explanation:

[tex]8a^3-3b^2-(-a)^3+b^2=(8-1)a^3+(-3+1)b^2=7a^3-2b^2[/tex]

_____

Math symbols were invented so that expressions could be written unambiguously. You might find you are more likely to get the answers you need if you use them.

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