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

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

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

simplify

4 - x \cdot 4 + x

(- x + 4) (x + 4)

Solution steps

4 - x 4 + x

Apply radical rule:

a b = a \cdot b,

assuming

a \geq 0, b \geq 0

- x + 4 x + 4 = (- x + 4) (x + 4)

= (- x + 4) (x + 4)

x e^{5} x d x

u^{- 2} d u

7 \cdot 7 \cdot 7

\frac{( 1 + 4 x )}{( 1 - x )}

6 x e^{- x^{2}}

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