What is (sqrt(-15))(-7sqrt(5)) ?

The solution to (sqrt(-15))(-7sqrt(5)) is -35sqrt(3)i

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simplify (sqrt(-15))(-7sqrt(5))

simplify

(- 15) (- 75)

- 353 i

Solution steps

(- 15) (- 75)

(- 15) (- 75) = - - 15 (75)

= - - 15 \cdot 75

- 15 = 5 - 3

= - 5 - 3 \cdot 75

Apply radical rule:

a a = a, a \geq 0

55 = 5

= - 5 - 3 \cdot 7

Multiply the numbers:

- 5 \cdot 7 = - 35

= - 35 - 3

Apply radical rule:

- a = a - 1

- 3 = 3 - 1

= - 353 - 1

Apply imaginary number rule:

- 1 = i

= - 353 i

34 \cdot 2

2 + (- 8)

\frac{20 5}{4}

\frac{60}{40}

What is (sqrt(-15))(-7sqrt(5)) ?
The solution to (sqrt(-15))(-7sqrt(5)) is -35sqrt(3)i