5. Factorise:(a) x^3+1/(x^3) (b) a^3-1/(b^3) () (a^3)/(27)+(b^3)/(64) (d) (x^3)/(27)-(125)/(y^3) () (27x^3)/(64)+1 相关知识点: 试题来源: 解析 c)( (C (a/3+a/4)((a^2)/9-(ab)/(12)+(b^2)/(16)) e) (-(3x)/4+1...
相关知识点: 试题来源: 解析 10x+15 final answer3x(x- 4) final answer(b)M1 for 3(x²-4x) or x(3x-12)Condone omission of final bracket(3x+0)(×-4) or -3x(4 - x) scores2, correct answer seen then spoiledis 1 mark 反馈 收藏 ...
9 (a) Factorise x^2-x-42(x+6)(x-7)(b) Solve the inequality 3x + 158x+ 3Show clear al
百度试题 结果1 题目6 (a) Multiply out.4(3x+2)12x+8(b)Factorise.3c-6d3(c+2d) 相关知识点: 试题来源: 解析 12x+83(c+2d) 反馈 收藏
12x+20y 8x+4x+22y–2y 12x–6y+26y 8x+6x–2x+22y–2yCompleteyourdiagram Lettersfornumbers:a+b=10,whatcouldaandbbe?ifa=2,b=8whatisa+b?ifa=25,b=5whatisa+b?Letters,numbersandarea 6 2 b 5 Area?2x6=12 Area?5xb=5b Letters,numbersandarea 4 a 4 a Area?4x4=16Area?axa=a2 Lette...