What is the inverse of 21x^2-26x ?

The inverse of 21x^2-26x is (13+sqrt(21x+169))/(21),(13-sqrt(21x+169))/(21)

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inverse of 21x^2-26x

inverse

21 x^{2} - 26 x

\frac{13 + 21 x + 169}{21}, \frac{13 - 21 x + 169}{21}

Solution steps

y = 21 x^{2} - 26 x

Replace

x

with

y

x = 21 y^{2} - 26 y

Solve for

y, x = 21 y^{2} - 26 y

\frac{13 + 21 x + 169}{21}, \frac{13 - 21 x + 169}{21}

f (x) = - 2 x^{2} + 2 \cdot x + 4

100 \cdot 2^{\frac{x}{2}}

\frac{5 x + 2}{3}

\frac{x - 3}{- x + 2}

- 10.5

What is the inverse of 21x^2-26x ?
The inverse of 21x^2-26x is (13+sqrt(21x+169))/(21),(13-sqrt(21x+169))/(21)