What is (sqrt(10))(-3sqrt(-7)) ?

The solution to (sqrt(10))(-3sqrt(-7)) is -3sqrt(70)i

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simplify (sqrt(10))(-3sqrt(-7))

simplify

(10) (- 3 - 7)

- 370 i

Solution steps

(10) (- 3 - 7)

Apply rule:

(a) = a

(10) = 10

= 10 (- 3 - 7)

Apply rule:

a (- b) = - ab

10 (- 3 - 7) = - 10 \cdot 3 - 7

= - 10 \cdot 3 - 7

= - 310 - 7

- 7 = 7 i

= - 3107 i

107 = 70

= - 370 i

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x^{2} + 2 x y

What is (sqrt(10))(-3sqrt(-7)) ?
The solution to (sqrt(10))(-3sqrt(-7)) is -3sqrt(70)i