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How do you factorise x squared minus 1? - Answers

x2-1=(x-1)(x+1)It factors out like this because it's the difference of two squares. It only works with subtraction and is always in the format with two groups of parenthases. For example: 16x-4. 16 and 4 are both squares, so it factors out like this: (4x+2)(4x-2). One set is always minus, the other is always plus. The order doesn't matter.



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How do you factorise x squared minus 1? - Answers

https://math.answers.com/calculus/How_do_you_factorise_x_squared_minus_1

x2-1=(x-1)(x+1)It factors out like this because it's the difference of two squares. It only works with subtraction and is always in the format with two groups of parenthases. For example: 16x-4. 16 and 4 are both squares, so it factors out like this: (4x+2)(4x-2). One set is always minus, the other is always plus. The order doesn't matter.



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https://math.answers.com/calculus/How_do_you_factorise_x_squared_minus_1

How do you factorise x squared minus 1? - Answers

x2-1=(x-1)(x+1)It factors out like this because it's the difference of two squares. It only works with subtraction and is always in the format with two groups of parenthases. For example: 16x-4. 16 and 4 are both squares, so it factors out like this: (4x+2)(4x-2). One set is always minus, the other is always plus. The order doesn't matter.

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      x2-1=(x-1)(x+1)It factors out like this because it's the difference of two squares. It only works with subtraction and is always in the format with two groups of parenthases. For example: 16x-4. 16 and 4 are both squares, so it factors out like this: (4x+2)(4x-2). One set is always minus, the other is always plus. The order doesn't matter.

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