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Popular >

factor u^2-1

Solution

factor

u^{2} - 1

Solution

(u + 1) (u - 1)

Solution steps

u^{2} - 1

Rewrite

1

as

1^{2}

= u^{2} - 1^{2}

Apply Difference of Two Squares Formula:

x^{2} - y^{2} = (x + y) (x - y)

u^{2} - 1^{2} = (u + 1) (u - 1)

= (u + 1) (u - 1)

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Frequently Asked Questions (FAQ)

What is factor u^2-1 ?
The solution to factor u^2-1 is (u+1)(u-1)