What is the inverse of f(x)=(x-3)(x+4) ?

The inverse of f(x)=(x-3)(x+4) is (-1+sqrt(4x+49))/2 ,(-1-sqrt(4x+49))/2

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inverse of f(x)=(x-3)(x+4)

inverse

f (x) = (x - 3) (x + 4)

\frac{- 1 + 4 x + 49}{2}, \frac{- 1 - 4 x + 49}{2}

Solution steps

y = (x - 3) (x + 4)

Replace

x

with

y

x = (y - 3) (y + 4)

Solve for

y, x = (y - 3) (y + 4)

\frac{- 1 + 4 x + 49}{2}, \frac{- 1 - 4 x + 49}{2}

What is the inverse of f(x)=(x-3)(x+4) ?
The inverse of f(x)=(x-3)(x+4) is (-1+sqrt(4x+49))/2 ,(-1-sqrt(4x+49))/2