Factorise: 9x ^(3)- 6x ^(2)+ 12x 01:10 Factorise: 8x ^(2) -72xy + 12x 01:31 Factorise: 18a ^(3) b^(3) - 27a ^(2) b^(3) + 36 a ^(3)b ^(2) 02:04 Factorise: 14 x ^(3) + 21x ^(4) y - 28 x ^(2) y ^(2) 01:49 Factorise: -5-10t + 20t ^(2)...
百度试题 结果1 题目(b) Factorise fully 6x^3-27x^2+30x=3x(2x2-9x+10) [M1]=3x(2x-5)(x-2) 相关知识点: 试题来源: 解析 =3x(2x²-9x+10) [M1] = 3x(2x-5)(x-2) 反馈 收藏
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...
(i) x^(2)+9x+18=x^(2)+6x+3x+18 {by splitting middle term] =x(x+6)+3(x+6)=)x+3(x+6) (ii) 6x^(2)+7x-3=6x^(2)+9x-2x-3 [by splitting middle term] (iii) 2x^(2) -7x -15=2x^(2) -10x+3x-15 [by splitting middle term] =2x(x-5)+3(x-5)=(2x+3)(x-5)