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Popular >

factor k^2-121

Solution

factor

k^{2} - 121

Solution

(k + 11) (k - 11)

Solution steps

k^{2} - 121

Rewrite

121

as

1 1^{2}

= k^{2} - 1 1^{2}

Apply Difference of Two Squares Formula:

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

k^{2} - 1 1^{2} = (k + 11) (k - 11)

= (k + 11) (k - 11)

Popular Examples

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\frac{y}{y}

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\frac{28 126}{7} 7

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\frac{- 1 - - 3}{2}

expand (2x^2+5)^3 expand

(2 x^{2} + 5)^{3}

Frequently Asked Questions (FAQ)

What is factor k^2-121 ?
The solution to factor k^2-121 is (k+11)(k-11)