百度试题 结果1 题目Factorise: 2x^3-5x^2-19x+42 相关知识点: 试题来源: 解析 (x-2)(2x-7)(x+3)反馈 收藏
(ii) Factorise 2x^4+5x^3-8x^2-8x+3 completely. 相关知识点: 试题来源: 解析 http://gallery.fbcontent.cn/latex?decode=false&latex=%24%24%5Cleft(x%5E%7B2%7D%2B3%20x-1%5Cright)(2%20x-3)(x%2B1)%24%24%25&fontSize=28 反馈 收藏 ...
such that a + b =5 and ab = 6. on solving this we obtain, a = 3 and b = 2 thus, the above expression can be written as: x 2 + 3x + 2x + 6 = x(x + 3) + 2(x + 3) = (x + 3)(x + 2) thus, x+3 and x+2 are the factors of the polynomial x 2 + 5x + ...
Factor the given polynomial: 27a^2 - 30a - 8 Factor the given polynomial: xy - 5x + y - 15 Factor the given polynomial: 9x^3 - 24x^2 + 16x Factor the given polynomial: xy + 2x + y + 2 Factor the given polynomial completely: 10t^2 + 29t - 21 ...
58_expand-and-factorise Edexcel GCSE Mathematics (Linear) – 1MA0 ALGEBRA:EXPAND & FACTORISE Materials required for examination Items included with question papers Ruler graduated in centimetres and Nil millimetres, protractor, compasses,pen, HB pencil, eraser.Tracing paper may be used.Instructions...
a level的数学.1.Simplify (x^3+7^x2+5x-28)/(x+4)2.Factorise completely x^3+5x^2-2x-243.Make r the subject of the formula 4.If ,find the value of y when x = 9 given that y = 24 when x = 4 .5.The probability that I oversleep on any given day is 1/10.If I ...
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 LettersandareayWhatisthearea yof...
1a level的数学.1.Simplify (x^3+7^x2+5x-28)/(x+4)2.Factorise completely x^3+5x^2-2x-243.Make r the subject of the formula 4.If ,find the value of y when x = 9 given that y = 24 when x = 4 .5.The probability that I oversleep on any given day is 1/10.If I ov...