How do you expand #(5u^2-1)^3#? Precalculus The Binomial Theorem Pascal's Triangle and Binomial Expansion 1 Answer zbeniek Sep 27, 2016 #125u^6 - 75u^4 + 15u^2 - 1# Explanation: use #(a - b)^3 = a^3 - 3a^2b +3ab^2 - b^3# Answer link Related questions What is Pascal's triangle? How do I find the #n#th row of Pascal's triangle? How does Pascal's triangle relate to binomial expansion? How do I find a coefficient using Pascal's triangle? How do I use Pascal's triangle to expand #(2x + y)^4#? How do I use Pascal's triangle to expand #(3a + b)^4#? How do I use Pascal's triangle to expand #(x + 2)^5#? How do I use Pascal's triangle to expand #(x - 1)^5#? How do I use Pascal's triangle to expand a binomial? How do I use Pascal's triangle to expand the binomial #(a-b)^6#? See all questions in Pascal's Triangle and Binomial Expansion Impact of this question 1426 views around the world You can reuse this answer Creative Commons License