Factorise : (1)/(8a^(3))+(8)/(b^(3)) 02:56 Factorise : a^(3)+3a^(2)b+3ab^(2)+b^(3)-8 01:16 Factorise : 8a^(3)-b^(3)-4ax+2bx 02:01 Factorise : x^(3)-6x^(2)+12x-35 04:13 Factorise : x^(3)+(1)/(x^(3))-2x-(2)/(x) 02:16 Factorise : 8a^(3...
The solution will be of the form (2x )(x ) to give the 2x² term. Considering theways of obtaining –3 gives:2x²-x-3 = (2x )(x )-1 +3+1-3 Note that these will+3-1 be multiplied by the-3+1 2 in the 2x termFrom the last of these we can obtain the middle middle ...
题目 9. (a) Factorise 2x^2-x-10(2x-5)(x+2)...(2)(b) Solve 2x^2-x-10=02x*5=0⇒x=5/2 x+2=0⇒x=-2 ■■(1) 相关知识点: 试题来源: 解析(2x - 5)(x + 2)2x × 5 = 0 → x = 5/2x + 2 = 0 ⇒ x = -2 反馈...
Step by step video, text & image solution for Factorise : (i) 4a^(2)+9b^(2)+16c^(2)+12ab-24bc-16ca (ii) (4)/(9)x^(2)+(9)/(16)y^(2)+(16)/(25)z^(2)-xy-(6)/(5)yz+(16)/(15)zx (iii) 2x^(2)+y^(2)+8z^(2)-2sqrt(2)xy+4sqrt(2)yz-8xz by Maths e...
(2)a^3-a^2+a-1=(3)x^3+x^2-x-1=(4)x^3+x^2+xy^2+y^2=(5)x^3-2x^2+3x-6= 相关知识点: 试题来源: 解析 (1)=(x^2+1)(x+1)(2)=(a^2+1)(a-1)(3)=(x+1)^2(x-1)(4)=(x^2+y^2)(x+1)(5)=(x^2+3)(x-2) (1)N/A.(2)N/A.(3)N/A...
(x 2 -1) (x+1) therefore, the factorisation of x 3 + x 2 –x – 1 gives (x 2 -1) (x+1) solved examples question 1: check whether x+3 is a factor of x 3 + 3x 2 + 5x +15. solution: let x + 3= 0 => x = -3 now, p(x) = x 3 + 3x 2 + 5x +15 let us...
x3+x−2. 因式分解x3+x−2. 相关知识点: 试题来源: 解析 (x−2)(x+1)2. 结果一 题目 Factorise x3+x−2.因式分解x3+x−2. 答案 (x−2)(x+1)2.x3−3x−2=x2−8−3(x−2)=(x−2)(x2+2x+4)−3(x−2)=(x−2)(x+1)2.相关推荐 1Factorise x3+x−2....
百度试题 结果1 题目Factorise2x^2+3x-5(2x+5)(x-1) 相关知识点: 试题来源: 解析 (2x+5)(x-1) 反馈 收藏
( x+1 ).5 Factorise: 2ar +4hr -ay-2by = (_2ax-ay )+( 4bx-2by ) = ( 2x-y )( a+2 b ).6 Factorise: x2-a2-2ab-b2 =( x2 )-(a2+2ab+b2) =( x+a+ b )( x-a- b ).7 Factorise: a2 +ax-b2 +bx = (a+b)(a-b+x).8 Factorise: xy-x-y+1=(y-1...
百度试题 结果1 题目Factorise x2−2x−63. 因式分解x2−2x−63.相关知识点: 试题来源: 解析 (x+7)(x−9). x2−2x−63 =x2+(7−9)x+(7)×(−9) =(x+7)(x−9).反馈 收藏