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OpenStudy (anonymous):
Factor completely:8x^3-125 all steps please!
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OpenStudy (anonymous):
Use the sum of two cubes: 8x^3+125 = (2x)^3 + 5^3 then, u get...
OpenStudy (anonymous):
(2x+5)(4x^2-10x+25).. and thats how u do it:)
OpenStudy (ajprincess):
\(8x^3-125\) \(=2^3x^3-5^3\) \(=(2x)^3-5^3\) Difference of cubes. \(a^3-b^3=(a-b)(a^2+ab+b^2)\) Here a=2x and b=5
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