Factorisation by Regrouping Terms
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Factorise: 5√5 x^2 + 30x + 8√5 by splitting the middle term
- (x+1)(x+2)(x+3)
- (x−1)(x+2)(x+3)
- (x+1)(x+2)(x−3)
- (x−1)(x−2)(x−3)
If a + b = 1 and a - b = 7 ; Find
(i) (a2+b2) (ii) ab
(i) 25 (ii) -12
(i) 51 (ii) 12
(i) 26 (ii) -13
(i) -25 (ii) 12
Factorise by grouping method:
ab(x2+1)+x(a2+b2)
Factorise by grouping method:
a2+b−ab−a
Factorise by grouping method:
a3+a−3a2−3
Check whether 7 + 3x is a factor of 3x3+7x.
Factorise by grouping method:
ab−2b+a2−2a
Factorise by grouping method:
16(a+b)2−4a−4b
Factorise by grouping method:
(2a−b)2−10a+5b
Factorise by grouping method:
a2+4b2−3a+6b−4ab
Factorise by grouping method:
y2−(a+b)y+ab
Factorise by grouping method:
a4−2a3−4a+8
Factorise by grouping method:
x2+y2+x+y+2xy
Check whether 7 + 3x is a factor of 3x3+7x.
What are the common factors of 3x3y, 5xy2 and 15xy?
Factorise by grouping method:
m(x−3y)2+n(3y−x)+5x−15y
Factorise by grouping method:
x(6x−5y)−4(6x−5y)2
The highest common factor of 3x3y, 5xy2, 15xy is ____.
Factorise by grouping method:
a(a−4)−a+4
The product of two numbers is x2+x−2. If one of the numbers is x−1, Then the other number is
x−2
x+2
x+1
x−1
- (x+2)(x+3)
- (x+6)(x−1)
- (x−2)(x−3)
- (x−6)(x+1)
- (x+1)(11−6x)
- (x−1)(11−6x)
- (x+1)(11+6x)
- None of these
- (pq)(1+pq)(1−pq)2
- (−pq)(1−pq)(1+pq)2
- (pq)(1+pq)(1+pq)2
- (−pq)(1−pq)(1+pq)2
Determine which of the following polynomial has x – 2 a factor:
(i) 3x2+6x−24
(ii) 4x2+x–2
Factorize (a2−b2)(c2−d2)−4abcd
(ac−bc−ad+bd)(ac−bc+ad−bd)
(ac−bc+ad+bd)(ac+bc−ad−bd)
(ac+bc−ad+bd)(ac+bc−ad−bd)
(ac−bc+ad+bd)(ac−bc−ad−bd)
(i) 2x2 + x – 1
(ii) 2m2 + 5m – 3
(iii) 12x2 + 61x + 77
(iv) 3y2 – 2y – 1
(v)
(vi)