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Popular >

expand (3x+9)(3x-9)

Solution

expand

(3 x + 9) (3 x - 9)

Solution

9 x^{2} - 81

Solution steps

(3 x + 9) (3 x - 9)

Apply Difference of Two Squares

(3 x + 9) (3 x - 9) : 9 x^{2} - 81

= 9 x^{2} - 81

Popular Examples

\frac{64}{9}

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\frac{7}{10} - \frac{2}{5}

Frequently Asked Questions (FAQ)

What is expand (3x+9)(3x-9) ?
The solution to expand (3x+9)(3x-9) is 9x^2-81