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Popular >

inverse of x^2-x-20

Solution

inverse

x^{2} - x - 20

Solution

\frac{1 + 4 x + 81}{2}, \frac{1 - 4 x + 81}{2}

Solution steps

y = x^{2} - x - 20

Replace

x

with

y

x = y^{2} - y - 20

Solve for

y, x = y^{2} - y - 20

\frac{1 + 4 x + 81}{2}, \frac{1 - 4 x + 81}{2}

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Frequently Asked Questions (FAQ)

What is the inverse of x^2-x-20 ?
The inverse of x^2-x-20 is (1+sqrt(4x+81))/2 ,(1-sqrt(4x+81))/2