(a) Factorise :x2−(z−5)x−5z (b) Factorise :x2+x−y+y2−2xy View Solution Factorise:(x2−5x)(x2−5x−20)+84 View Solution Free Ncert Solutions English Medium NCERT Solutions NCERT Solutions for Class 12 English Medium ...
对于形如$x^2 + (a + b)x + ab$的多项式,可以利用十字相乘法,将其分解为$(x + a)(x + b)$。例如,$x^2 + 5x + 6$可以分解为$(x + 2)(x + 3)$。 3.3 十字相乘法 十字相乘法是一种特殊的因式分解方法,适用于二次多项式。其关键在于找到两个数,它们的和等于多项式...
Factorise: 5-(3a^(2)-2a)(6-3a^(2)+2a) 02:20 Factorise: 1/35 + 12/35a + a^(2) 01:06 For each trinomial (quadratic expression), given below find whether it... 02:57 Factorise: (i) 4sqrt(3)x^(2) + 5x-2sqrt(3) (ii) 7sqrt(2)x^(2)-10x - ... 04:31 Factorise ...
= 0, x+3 is a factor of x 3 + 3x 2 + 5x +15. question 2: factorize x 2 + 5x + 6. solution: let us try factorizing this polynomial using splitting the middle term method. factoring polynomials by splitting the middle term: in this technique we need to find two numbers ‘a...
(b) Factorise.x^2+5x-6 (x+6)(x-1)final answer...[2] 相关知识点: 试题来源: 解析 (x+6)(x-1)final answerB1 for final answer (x+a)(x+b)whereab=-6 or a+b=5or for x(x-1)+6(x-1) seenor for x(x+6)-[1](x+6) seenor for correct answe seen and spoilt 反馈...
百度试题 结果1 题目(b)(i)Factorise x^2+5x-36(x+9)(x-4) 相关知识点: 试题来源: 解析 http://gallery.fbcontent.cn/latex?decode=false&latex=%24%24(%20x%20%2B%209%20)%20(%20x%20-%204%20)%24%24%25&fontSize=46 反馈 收藏 ...
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
that they add up to 5 and when multiplied together give the same product as the product of the coefficients of the first and last term of the equation 3x² +5x-2. Since (6-1) =5 and (6) X (-1) = (3) X (-2) then 6 and -1 are the correct coefficients for the x term....
百度试题 结果1 题目Hence, factorise fully x^3-6x^2-x+6 相关知识点: 试题来源: 解析 =(x-1)(x²-5x-6)=(x-1)(x+1)(x-6) 反馈 收藏
(x+6)(x-7)x>2.4(a)for (x ± 6)(x ± 7)(b)3x - 8x < 3 - 15 or 15-3 <8x - 3x- 5x <- 12 or 12 < 5xaccept as equation or with the wronginequality sign.accept as equation or with the wronginequality sign.Accept or oeallow award M1 M1 A0 for with sign or n...