Factorise : A3 -a2 +A -1 - Mathematics

Factorise : a³ -a² +a -1

Sum

a³ -a² +a -1

= a² (a - 1) + 1 (a - 1)

= (a - 1) (a² + 1)

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Factorisation by Grouping

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Chapter 13: Factorisation - Exercise 13 (B) [Page 158]

Chapter 13 Factorisation
Exercise 13 (B) | Q 4 | Page 158

Factorise using the grouping method :
a² + 4b² - 3a + 6b - 4ab

Factorise : xy - ay - ax + a² + bx - ab

Factorise : (a² − b²) c + (b² − c²)a

Factorise : ab(c² + d²) - a²cd - b²cd

factorise: (2a + b)² + 5(2a + b) + 6

factorise: b(c - d)² + a(d - c) + 3(c - d)

Factorise the following by grouping the terms:
x(x - 4)- x + 4

Factorise the following by grouping the terms:
9x³ + 6x²y² - 4y³ - 6xy

Factorise the following by grouping the terms:
3ax² - 5bx² + 9az² + 6ay² - 10by² - 15bz²

Factorise the following by grouping the terms:
xy(a² + 1) + a(x² + y²)