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Popular >

factor 1-81x^2

Solution

factor

1 - 81 x^{2}

Solution

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

Solution steps

1 - 81 x^{2}

Apply exponent rules

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

Apply Difference of Two Squares Formula:

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

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

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

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Frequently Asked Questions (FAQ)

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