Expand (2x-y+2)^3 please give the answer
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Step-by-step explanation:
Take y+2 as b and 2x as a now by identity (a-b)^3= a^3-b^3–3a^2b+3ab^2 . {2x-(y+2)}^3= 8x^3-(y+2)^3–3*4x^2*(y+2)+3*2x*(y+2)^2 = 8x^3-y^3–8–6y^2–12y-12x^2y-24x^2+12xy^2+48x+48xy
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