Question

find zeros for x square - 1​

Answer 1

Answer:

1^2=1

1-1=0

x=0

Step-by-step explanation:

I hope you understand

Answer 2

Answer:

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Step-by-step explanation:

We know that 1²-1 then

1 can be written as 1² so

${x}^{2} - 1 \\ = > {x}^{2} - {1}^{2} \\ = > {a}^{2} - {b}^{2} = (a + b)(a - b) \\ = > {x}^{2} - {1}^{2} = (x + 1)(x - 1) \\ = > x = ±1$