SOLUTION: Coeffecient of x^2 in: {{{ (2x-3)^5 }}}

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Question 41309: Coeffecient of x^2 in: +%282x-3%29%5E5+
Answer by zeynep(43) About Me  (Show Source):
You can put this solution on YOUR website!
(2x-3)^5=(2x)^5-5.(2x)^4.3+10.(2x)^3.3^2-10.(2x)^2.3^3+5.2x.3^4-3^5
the only x^2 term we get is; -10.(2x)^2.3^3
-10.(2x)^2.3^3=-10.4x^2.27 = -1080x^2
Therefore the coeeficient is -1080.