Question

Solve the following quadratic equations by factorization:
x²-x-a(a+1)=0

Answer 1

take the value of a =1, b= 1, c= a(a+1)

now using the formula of discriminant find it

D= b^2-4ac

then place it in the formula,

(-b+√D)/2a and (-b-√D)/2a

therefore you will get the two roots of the given equation.