What is sqrt(4-x)sqrt(x^2-9) ?

The solution to sqrt(4-x)sqrt(x^2-9) is sqrt((-x+4)(x^2-9))

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simplify sqrt(4-x)sqrt(x^2-9)

simplify

4 - x x^{2} - 9

(- x + 4) (x^{2} - 9)

Solution steps

4 - x x^{2} - 9

Apply radical rule:

a b = a \cdot b,

assuming

a \geq 0, b \geq 0

- x + 4 x^{2} - 9 = (- x + 4) (x^{2} - 9)

= (- x + 4) (x^{2} - 9)

5 \cdot 0. 6^{- 5}

e^{3} (e^{4})

- z^{9} (6 z^{4})

e^{- l n (y + 1)}

What is sqrt(4-x)sqrt(x^2-9) ?
The solution to sqrt(4-x)sqrt(x^2-9) is sqrt((-x+4)(x^2-9))