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Popular >

factor 81x^2-9

Solution

factor

81 x^{2} - 9

Solution

9 (3 x + 1) (3 x - 1)

Solution steps

81 x^{2} - 9

Factor out common term

9 : 9 (9 x^{2} - 1)

= 9 (9 x^{2} - 1)

Factor

9 x^{2} - 1 : (3 x + 1) (3 x - 1)

= 9 (3 x + 1) (3 x - 1)

Popular Examples

- 2 \leq x - 11 \leq 6

simplify (1+i)(9-8i)simplify

(1 + i) (9 - 8 i)

factor x^2-3x^2-10 factor

x^{2} - 3 x^{2} - 10

4 z \geq 20

simplify (2-4i)/(i-1)simplify

\frac{2 - 4 i}{i - 1}

Frequently Asked Questions (FAQ)

What is factor 81x^2-9 ?
The solution to factor 81x^2-9 is 9(3x+1)(3x-1)