Math, asked by zoya3718, 1 year ago

x^2 + (0) -1 factorise it​

Answers

Answered by sauravara101
1

Answer:

x =  +  - 1

Step-by-step explanation:

 {x}^{2}  - 1 = 0

 {x}^{2}  = 1

so,

x =  +  - 1

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Answered by hdewangan
1

 {x}^{2}  - 0 - 1 = 0 \\  \\  {x }^{2}  - x + x - 1 = 0 \\  \\ x(x - 1) + 1(x - 1) = 0 \\  \\ (x - 1) \: (x + 1) = 0 \\  \\ x = 1 \:  \:  \:  \: or \: \:  \:  \:  \: x =  - 1

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