Show that (3x−2)(5x+4)(2x−9)=30x3−131x2−34x+72(3x - 2)(5x + 4)(2x - 9) = 30x^3 - 131x^2 - 34x + 72(3x−2)(5x+4)(2x−9)=30x3−131x2−34x+72 for all values of xxx.
225 exam-style questions on Eduqas GCSE Maths Expanding Triple Brackets. Each one has a worked solution and a mark scheme showing where the marks go.