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How do I solve

0 votes

(4-5x)^3.?

expression
solve
cubic

asked Nov 10, 2013 in ALGEBRA 1 by abstain Rookie

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1 Answer

0 votes

(a-b)^3=a^3-b^3-3a^2b+3ab^2

Here a=4,b=5x

(4-5x)^3=4^3-(5x)^3-3(4)^2*5x+3*4*(5x)^2

=64-125x^3-240x+300x^2

answered Nov 10, 2013 by bradely Mentor

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