Question

factorise the following​

Answer 1

Answer:

x²-x-a(a+1)= 0....... x²+ax-(a+1)x-a(a+1) =0........ x(x+a) -(a+1)( x+a)=0...... (x- (a+ 1))(x +a)=0...... Therefore x=a+1 or -a