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Popular >

factor 49-a^2

Solution

factor

49 - a^{2}

Solution

(7 + a) (7 - a)

Solution steps

49 - a^{2}

Rewrite

49

as

7^{2}

= 7^{2} - a^{2}

Apply Difference of Two Squares Formula:

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

7^{2} - a^{2} = (7 + a) (7 - a)

= (7 + a) (7 - a)

Popular Examples

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- 6 + (- 11)

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Frequently Asked Questions (FAQ)

What is factor 49-a^2 ?
The solution to factor 49-a^2 is (7+a)(7-a)