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Popular >

factor b^2-9

Solution

factor

b^{2} - 9

Solution

(b + 3) (b - 3)

Solution steps

b^{2} - 9

Rewrite

9

as

3^{2}

= b^{2} - 3^{2}

Apply Difference of Two Squares Formula:

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

b^{2} - 3^{2} = (b + 3) (b - 3)

= (b + 3) (b - 3)

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Frequently Asked Questions (FAQ)

What is factor b^2-9 ?
The solution to factor b^2-9 is (b+3)(b-3)