回答：12a^2-56a+60 =4(3a^2-14a+15) =4(a-3)(3a-5)
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...
(i) a^4 - b^4 (a^2)^2 - (b^2)^2 (a^2 - b^2)(a^2 + b^2) (ii) p^4 - 81 (p^2)^2 - 9^2 (p^2- 9)(p^2 + 9) (iii) x^4 - (y+z)^4 (x^2)^2- ((y+z)^2)^2 = (x^2 - (y+z)^2)(x^2 + (y+z)^2) (iv) x^4 - (x-z)^4 (x^2)^...
Factorise x4+x3−x2−x. A(x2+1)(x−1)x Bx(x+1)2(x−1) C(x2+1)(x−1)2 Dx(x−1)2(x+1)Submit Question 2 - Select One Factorise: a4−20a2+64 A(a+2)(a−2)(a+4)(a−4) B(a−2)2(a−4)2 C(a−2)2(a+4)2 DNone of theseSubmit Question...
5 (a) Factorise 5a-3a2a(5-3a)2)(b)Expand(i)2(4-3w)8-6w(ii) 1^2(y+10)+10g(3)(e) W=(5.6a)/(b^2)a=1.28 b=0.8Work out the value of W.11.2W =2) 相关知识点: 试题来源: 解析 a(5-3a)8-6wy^3+10y^211.2a)B1 for factors which when expanded simplified giv...
Fctorise:2tax+4bx-ay-2by=()+()=() 答案 2ax-ay;4bx-2by;2x -y;a+2b 结果二 题目 )+)=Factorise:2ax+4bx-2by=()+()=()+() 答案 2ax-ay;4bx-2by ;2x-y;a+2b 相关推荐 1Fctorise:2tax+4bx-ay-2by=()+()=() 2)+)=Factorise:2ax+4bx-2by=()+()=()+() 反馈...
a.20x^{2}-4xb.x^{2}-13 相关知识点: 试题来源: 解析 a. 20x^2 - 4x = 4x(5x - 1) b. x^2 - 13 = (x + √(13))(x - √(13)) **a. 20x² - 4x** 提取公因式 4x,得到 4x(5x - 1)。 **b. x² - 13** 利用平方差公式 (a² - b² = (a + b)(a - b...
9 (a) Factorise completely 4+6ab-9a2-b2.Answer(2-3a+b)(2+3a-b)1.622[2](b) Without using a calculator, show that 27-2H is divisible by 7.21X7 is divisible by 7Answer[2] 相关知识点: 试题来源: 解析 (2-3a+b)(2+3a-b)21×7 is divisible by 7 ...
(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.(4)N/A.(5)N/A....
百度试题 结果1 题目10 Factorise1625 B Faktorkan(a^2)/(16)-(b^2)/(25)” (a/4+b/5)(a/4-b/5)(1/4+1/5)((a^2)/4-(b^2)/5) D (1+a/4)^2(1-b/5)^22 相关知识点: 试题来源: 解析 B 反馈 收藏