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Popular >

factor x^2-16

Solution

factor

x^{2} - 16

Solution

(x + 4) (x - 4)

Solution steps

x^{2} - 16

Rewrite

16

as

4^{2}

= x^{2} - 4^{2}

Apply Difference of Two Squares Formula:

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

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

= (x + 4) (x - 4)

Popular Examples

factor w^6-z^6 factor

w^{6} - z^{6}

- x - 5 = 1

simplify 3/5-4/7 simplify

\frac{3}{5} - \frac{4}{7}

factor x^2+5x-y^2-5y factor

x^{2} + 5 x - y^{2} - 5 y

simplify 16^{2/3}simplify

1 6^{\frac{2}{3}}

Frequently Asked Questions (FAQ)

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