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Popular >

factor y^2-1

Solution

factor

y^{2} - 1

Solution

(y + 1) (y - 1)

Solution steps

y^{2} - 1

Rewrite

1

as

1^{2}

= y^{2} - 1^{2}

Apply Difference of Two Squares Formula:

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

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

= (y + 1) (y - 1)

Popular Examples

simplify (sqrt(6))/(sqrt(3))simplify

\frac{6}{3}

-4x>8\land x+6>0

- 4 x > 8 and x + 6 > 0

x^2-(4x)/3+4/9 =0

x^{2} - \frac{4 x}{3} + \frac{4}{9} = 0

factor 9b^4-16b^2 factor

9 b^{4} - 16 b^{2}

x^{2} - 6 x = 6

Frequently Asked Questions (FAQ)

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