Question

x^2-x-a(a+1)
Factorise ​

Answer 1

Answer:

(x+a)(x-a-1)

Step-by-step explanation:

x²-x-a(a+1)

=x²-x-a²-a

=(x²-a²)+(-x-a)

=(x+a)(x-a)-(x+a)

=(x+a)(x-a-1)

Answer 2

Answer:

x(x-1) - a(a+1)

Step-by-step explanation:

x² - x - a(a+1)

x × x - x - a(a+1)

x(x-1) - a(a+1)