What is sqrt(x^2-4)*sqrt(x+4) ?

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

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simplify sqrt(x^2-4)*sqrt(x+4)

simplify

x^{2} - 4 \cdot x + 4

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

Solution steps

x^{2} - 4 x + 4

Apply radical rule:

a b = a \cdot b,

assuming

a \geq 0, b \geq 0

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

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

(e^{- 0.04 (15)}) (- 25)

- s^{3} \cdot e^{- s t}

600 e^{- 0.032 x, x = 4}

0.009 \cdot 1 0^{- 3} \cdot 343

e^{- t (s + 1)}

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