What is sqrt(9-x)*sqrt(x+9) ?

The solution to sqrt(9-x)*sqrt(x+9) is sqrt((-x+9)(x+9))

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simplify sqrt(9-x)*sqrt(x+9)

simplify

9 - x \cdot x + 9

(- x + 9) (x + 9)

Solution steps

9 - x x + 9

Apply radical rule:

a b = a \cdot b,

assuming

a \geq 0, b \geq 0

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

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

e^{- l n (4 x^{2})}

6 e^{- 2 x} \cdot (- 12) e^{- 2 x}

- 4 x (m x^{m - 1})

8.1 \cdot 1 0^{- 2}

What is sqrt(9-x)*sqrt(x+9) ?
The solution to sqrt(9-x)*sqrt(x+9) is sqrt((-x+9)(x+9))