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Popular >

factor 121-x^2

Solution

factor

121 - x^{2}

Solution

(11 + x) (11 - x)

Solution steps

121 - x^{2}

Rewrite

121

as

1 1^{2}

= 1 1^{2} - x^{2}

Apply Difference of Two Squares Formula:

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

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

= (11 + x) (11 - x)

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Frequently Asked Questions (FAQ)

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