Answer
$(4-5x)^3=64-240x+300x^2-125x^3$
Work Step by Step
$(4-5x)^3=~_3C_0(4)^3+~_3C_1(4)^2(-5x)^1+~_3C_2(4)^1(-5x)^2+~_3C_3(-5x)^3=64-240x+300x^2-125x^3$
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