Question

B] Solve any FOUR of the following sub-questions.
0 Solve the quadratic equation by factorization method -15 + 5 = 0​

Answer 1

Answer:

Given quadratic equation is

x

2

+4x−5=0

⟹(x+2)

2

−4−5=0

⟹(x+2)

2

−9=0

⟹(x+2)

2

−3

2

=0

⟹(x+5)(x−1)=0

⟹x=1,−5