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Popular >

factor 81u^2-4

Solution

factor

81 u^{2} - 4

Solution

(9 u + 2) (9 u - 2)

Solution steps

81 u^{2} - 4

Apply exponent rules

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

Apply Difference of Two Squares Formula:

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

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

= (9 u + 2) (9 u - 2)

Popular Examples

\frac{4 x}{x + 7} < x

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\frac{20.13}{0.15 \cdot 0.048}

simplify 2sqrt(24/25)+4sqrt(72/27)-2sqrt(16/72)simplify

2 \frac{24}{25} + 4 \frac{72}{27} - 2 \frac{16}{72}

simplify 2(1/3)^{0-1}+4 simplify

2 (\frac{1}{3})^{0 - 1} + 4

expand (t^{3/2}-t^{1/2})^2 expand

(t^{\frac{3}{2}} - t^{\frac{1}{2}})^{2}

Frequently Asked Questions (FAQ)

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