(i) x^2 + xy + 8x + 8y = x(x+y) + 8(x+y) = (x+y)(x+8) (ii) 15xy - 6x +5y - 2 = 5y(3x+1) -2(3x+1) = (5y-2)(3x+1) (iii) ax+bx-ay-by a(x-y) + b(x-y) (x-y)(a+b) (iv) 15pq + 15 + 9q + 25p = 5p(3q + 5) + 3(3q+5) =(5p+...
factorise : 8- 4a -2 a^3 + a^4 01:02 Factorise : x^3+3xy^2-2x^2y-6y^3 00:55 Factorise : px-5q-5x+pq 00:52 Factorise : x^2+y-xy-x 00:56 factorize (a) (3a-1)^2 - 6a + 2 01:47 Factorise : (2x-3)^2-8x+12 01:05 Factorise : a^3+a-3a^2 -3 00:49 3ax...
Example: 48 = 2 ××2 ×× 2 ×× 2 ×× 3To factorize expressions we use results of algebraic identities like (x+y)2,(x−y)2,x2−y2(x+y)2,(x−y)2,x2−y2 and so onFactorizing an expression means writing the expression as a product of factors...
百度试题 结果1 题目Factorise: a(x-a)(x+y)2-b(x-a)2(x+y). 相关知识点: 试题来源: 解析 (x-a)(r+y)(ar+ay- br+ab) 反馈 收藏
(1)Solution:x2 xy 8x 8y = x × x x × y 8 × x 8 × y=x(x y) 8(x y)=(x y)(x 8) (2)15xy - 6x 5y - 2 = 3×5×x×y-3×2×x×5xy-2= 3x (5y - 2) 1(5y - 2)= (5y - 2) (3x 1) (3)ax bx- ay - by = a × x b × x - a ...
The expression 27x3+y3+z3–9xyz can be written as (3x3+y3+z3–3(3x)(y)(z)27x3+y3+z3–9xyz =(3x)3+y3+z3–3(3x)(y)(z)We know that, x3 + y3 + z3 –3xyz = (x + y + z)(x2 + y2 + z2 –xy – yz – zx)∴27x3+y3+z3–9xyz =(3x)3+y3+z3–3(3x)(y...
百度试题 结果1 题目FactoriSe:(x+y)^2+6(x+y)+9= 相关知识点: 试题来源: 解析 (x+y+3)^2 反馈 收藏
. Fill in the blanks 4 Factorise: m(x-yn(x-y=(x-y)()(5 Factorise: (x-y)-y(y-x)2=(x-y)6 Factorise: a(6-c)c-b=(6-c)(Factorise: 2(a-b3-4(6-a2=2(a-b2()8Factorise :-3a(1-x)-2b(x-1)+c(1-x)=(x-1)() 相关知识点: 试题来源: 解析 4 m-...
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.(4...
II. Fill in the blanks4 Factorise: x2-9 =Factorise:64-a^2=6F Factorise_2-x^2+y^2=Factorise: 3x^3-27x=3 Factorise: -x^2+4y^2=8Factorise: 16x^2-49y^4=10 Factorise: (x^2-y^2)-(x-y)^2= 答案 4(x+3)(x-3)(8+a)(8-a)(6(y+x)(y-x)3x(x+3)(x-3)8(2y+x...