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Popular >

factor 4-y^2

Solution

factor

4 - y^{2}

Solution

(2 + y) (2 - y)

Solution steps

4 - y^{2}

Rewrite

4

as

2^{2}

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

Apply Difference of Two Squares Formula:

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

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

= (2 + y) (2 - y)

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Frequently Asked Questions (FAQ)

What is factor 4-y^2 ?
The solution to factor 4-y^2 is (2+y)(2-y)