simplify (2x+3)^3-(2x-3)^3
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Answer:
Step-by-step explanation:
=8x^3+27+18x(2x+3)-(8x^3-27-18x(2x-3)
=8x^3+27+36x^2+54x-8x^3+27+36x^2-54
=72x^2+54
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