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Popular >

expand (a-9)(a+9)

Solution

expand

(a - 9) (a + 9)

Solution

a^{2} - 81

Solution steps

(a - 9) (a + 9)

Apply Difference of Two Squares

(a - 9) (a + 9) : a^{2} - 81

= a^{2} - 81

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Frequently Asked Questions (FAQ)

What is expand (a-9)(a+9) ?
The solution to expand (a-9)(a+9) is a^2-81