happykiddo
  • happykiddo
How is this factored::::: 125x^3-27=0 using the sum or difference of cubes to find the real or imaginary solutions
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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Mertsj
  • Mertsj
difference of two cubes.
Mertsj
  • Mertsj
(5x)^3-(3)^3
happykiddo
  • happykiddo
but what about the part where you plug it into the formula my real question is does the -3 stay negativ when plug-in her into the formula where the -b is

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campbell_st
  • campbell_st
the general form is \[a^3 - b^3 = (a -b)(a^2 + ab + b^2)\] in your question a = 5x and b = 3
happykiddo
  • happykiddo
thanks :) i wrote the formula wrong
campbell_st
  • campbell_st
glad to help

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