What is sqrt(-4)\times sqrt(-16) ?

The solution to sqrt(-4)\times sqrt(-16) is -8

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simplify sqrt(-4)\times sqrt(-16)

simplify

- 4 \cdot - 16

- 8

Solution steps

- 4 - 16

- 16 = 4 - 4

= - 4 4 - 4

Apply radical rule:

a a = a, a \geq 0

- 4 - 4 = - 4

= - 44

Factor the number:

4 = 2^{2}

= - 4 2^{2}

Apply radical rule:

a^{2} = a, a \geq 0

2^{2} = 2

= - 4 \cdot 2

Multiply the numbers:

- 4 \cdot 2 = - 8

= - 8

(4 + 2 x)^{2}

9 ab \cdot 8 a^{3} b^{7}

+ 16 v^{2} - 56 v + 49

0.0 1^{1}

\frac{71}{15}

What is sqrt(-4)\times sqrt(-16) ?
The solution to sqrt(-4)\times sqrt(-16) is -8