RocNation
RocNation
01-11-2014
Mathematics
contestada
select difference of (8x2-3x3) - (2x2-5x3)
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logo88
logo88
01-11-2014
(8x2-3x3) - (2x2-5x3)
= (16-9)-(4-15)
=7-(-11)
=7+11
=18
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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
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