Question

solve the following equation by factorization method . x2- 4x-5=0...​

Answer 1

A hand fan is made by stitching 10 equal size triangular strips of two different types of

paper as shown below. The dimensions of equal strips are 25 cm, 25 cm and 14 cm.

Find the total area of paper needed to make the hand fan.

Answer 2

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

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