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 \cdot 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)

e^{- \frac{28}{10}}

5 (hk)^{3}

e^{- 2 t} cos (π \cdot t \cdot u (t - 1))

e^{- 0.1 (10)}

(35) (55)

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))