–7x -18 is a three-term polynomial. now we need to find two such numbers, whose product will give -18 and sum will give -7. thus, -9 x 2 = -18 -9 + 2 = -7 therefore, we can write the given polynomial as; x 2 –9x + 2x – 18 = x(x – 9) + 2(x – 9) = (...
View Solution If x = 2 is one of the zeroes of the polynomialx3−6x2+11x−6, which are the other two zeros? View Solution Free Ncert Solutions English Medium NCERT Solutions NCERT Solutions for Class 12 English Medium NCERT Solutions for Class 11 English Medium ...
(a+b)2=a2+2ab+b2(a−b)2=a2−2ab+b2a2−b2=(a+b)(a−b) Answer and Explanation:1 We have to Factorise:25x2−9. We will apply the algebraic identities to factorize the given expression: $$\begin{align} 25x^2 - 9... ...
Factorise: x^2 - 9x. Factorise 2 x^2 + 15 x - 27. Factorise: 7x^{5} + 7xy^{4} - 14x^{3}y^{2} Factorise: 2 m^3 - 5 m^2 + 9 m. Factorise: x^3 + 2x^2 + 3x + 6. Factorise: x^2 - 14x + 49. Factorise. 2w^{2}+11w-30 ...
Factorise : 2x^2+7x+3. 03:34 The factors of 6x^2 + 5x - 6 are : 02:21 Factorise : 3x^2-x-4. 04:01 Factorise : x^3-2x^2-x+2. 06:59 Factorise : x^3-3x^2-9x-5. 04:01 Factorise : x^3+13x^2+32x+20. 07:13 Factorise : 2y^3+y^2-2y-1. 05:47Exams...
(3) x3+7x2+14x+8= (4) x3−3x2−10x+24= (5) x3+2x2−13x+10= 相关知识点: 试题来源: 解析 (1) (x−1)(x−2)(x−3) (2) (x+1)(x+2)(x−1) (3) (x+1)(x+2)(x+4) (4) (x+3)(x−2)(x−4) (5) (x+5)(x−1)(x−2) (1)略(2)略(3)...
(ii) 6x2+7x−3=6x2+9x−2x−3 [by splitting middle term] (iii) 2x2−7x−15=2x2−10x+3x−15 [by splitting middle term] =2x(x−5)+3(x−5)=(2x+3)(x−5) (iv) 84−2r−2r2=−2(r2+r−42) =−(r2+7r−6r−42) =−2[r(r+7)−69r...
Factorize 12a^{5} + 8a. Factorize -x^2 + 4x - 3. Factorize: 7x^2 + 7x - 20 Factorize completely. 4a^4 b^2 - 8a^3b^2 + 12a^3b Factorize: 4 x^2 y + 8 x y. Factorize 4 x^3 - 5 x^2 + 7 x - 6. Factorize: 2x^2 + 10x ...
Factorise: x^3 + 2x^2 + 3x + 6. Factorise: 7x^{5} + 7xy^{4} - 14x^{3}y^{2} Factorise. 2\sqrt{3}=\sqrt{x^{2}+5x} Factorise : (1+ \frac{y^2+z^2-x^2}{2yz} ) / (1 - \frac{x^2+y^2-z^2}{2xy} ) ...
18x3=2⋅3⋅3⋅x⋅x⋅x 14x4=2⋅7⋅x⋅x⋅x⋅x ⇒10x2−18x3+14x4 =2⋅5⋅x⋅x−2⋅3⋅3⋅x⋅x⋅x+2⋅7⋅x⋅x⋅x⋅x =2⋅x⋅x[5−3⋅3⋅x+7⋅x⋅x] =2x2[5−9x+7x2] answer Show More ...