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Popular >

factor z^2-16

Solution

factor

z^{2} - 16

Solution

(z + 4) (z - 4)

Solution steps

z^{2} - 16

Rewrite

16

as

4^{2}

= z^{2} - 4^{2}

Apply Difference of Two Squares Formula:

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

z^{2} - 4^{2} = (z + 4) (z - 4)

= (z + 4) (z - 4)

Popular Examples

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expand (x^2-2y)(x^2+2y)expand

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

Frequently Asked Questions (FAQ)

What is factor z^2-16 ?
The solution to factor z^2-16 is (z+4)(z-4)