Show that (4x−2)(x+5)2=4x3+38x2+80x−50(4x - 2)(x + 5)^2 = 4x^3 + 38x^2 + 80x - 50(4x−2)(x+5)2=4x3+38x2+80x−50 for all values of xxx.
Practise OCR GCSE Maths Expanding Triple Brackets with exam-style questions for Foundation and Higher tier. 56 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.