(x-2/3y)^3 find the cube
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Step-by-step explanation:
formula for (a-b)^3= a^3-b^3+3(a^2)b+3a(b^2)
(x-2/3y)^3=x^3-(8/27)y^3-2(x^2)y+4/3xy^2
hope you understood :)
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