Advertisements
Advertisements
प्रश्न
factorise: a2 − 3a − 40
बेरीज
Advertisements
उत्तर
a2 − 3a − 40
= a2 − 8a + 5a − 40
= a(a − 8) + 5(a − 8)
= (a − 8)(a + 5)
shaalaa.com
Factorisation by Grouping
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Factorise by the grouping method : a (a -4) - a + 4
Factorise : 3x5 - 6x4 - 2x3 + 4x2 + x - 2
Factorise : x2 - (a - 3)x - 3a
Factorise : (a2 − b2) c + (b2 − c2)a
factorise: 2a2 + 7a + 6
factorise: 3a2 - 5a + 2
factorise: 15(5x - 4)2 - 10(5x - 4)
Factorise the following by grouping the terms:
8x3 - 24x2y + 54xy2 -162y3
Factorise the following by grouping the terms:
2a + b + 3c - d + (2a + b)3 + (2a + b)2(3c - d)
Factorise the following by grouping the terms:
x + y + m(x + y)
