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Popular >

factor 4-81x^2

Solution

factor

4 - 81 x^{2}

Solution

(2 + 9 x) (2 - 9 x)

Solution steps

4 - 81 x^{2}

Apply exponent rules

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

Apply Difference of Two Squares Formula:

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

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

= (2 + 9 x) (2 - 9 x)

Popular Examples

simplify (7x)/8+(6x)/7 simplify

\frac{7 x}{8} + \frac{6 x}{7}

factor+ab+a+b+1 factor

+ ab + a + b + 1

simplify 1/(2sqrt(8))simplify

\frac{1}{2 8}

expand (3x-8)(2x+10)expand

(3 x - 8) (2 x + 10)

simplify-2(1/2 x+2)+2 simplify

- 2 (\frac{1}{2} x + 2) + 2

Frequently Asked Questions (FAQ)

What is factor 4-81x^2 ?
The solution to factor 4-81x^2 is (2+9x)(2-9x)