RocNation
RocNation RocNation
  • 01-11-2014
  • Mathematics
contestada

select difference of (8x2-3x3) - (2x2-5x3)

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logo88
logo88 logo88
  • 01-11-2014
(8x2-3x3) - (2x2-5x3)
= (16-9)-(4-15)
=7-(-11)
=7+11
=18
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olemakpadu
olemakpadu olemakpadu
  • 01-11-2014
(8x^2 - 3x^3) - (2x^2 - 5x^3)

= 8x^2 - 3x^3 - 2x^2 + 5x^3.

= 8x^2 - 2x^2 + 5x^3 - 3x^3.  Simplify together like terms.

= 6x^2 + 2x^3

Answer Link

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