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Popular >

factor r^2-64

Solution

factor

r^{2} - 64

Solution

(r + 8) (r - 8)

Solution steps

r^{2} - 64

Rewrite

64

as

8^{2}

= r^{2} - 8^{2}

Apply Difference of Two Squares Formula:

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

r^{2} - 8^{2} = (r + 8) (r - 8)

= (r + 8) (r - 8)

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Frequently Asked Questions (FAQ)

What is factor r^2-64 ?
The solution to factor r^2-64 is (r+8)(r-8)