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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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y^{20}

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\frac{8}{11}

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expand (x+8)^3 expand

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simplify sqrt(144)-sqrt(-100)+sqrt(36)-sqrt(-81)simplify

144 - - 100 + 36 - - 81

Frequently Asked Questions (FAQ)

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