Question

(x^2+x-1)(x-1)
using a^2-b^2​

Answer 1

Answer:

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Step-by-step explanation:

a

2

b

2

x

2

+b

2

x−a

2

x−1=0

⇒ b

2

x(a

2

x+1)−1(a

2

x+1)=0

⇒ (a

2

x+1)(b

2

x−1)=0

⇒ a

2

x+1=0 and b

2

x−1=0

⇒ a

2

x=−1 and b

2

x=1

∴ x=

a

2

−1

and x=

b

2

1

Answer 2

Step-by-step explanation:

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