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Popular >

simplify-3i(7i-5)

Solution

simplify

- 3 i (7 i - 5)

Solution

21 + 15 i

Solution steps

- 3 i (7 i - 5)

Apply the distributive law:

a (b - c) = ab - a c

- 3 i (7 i - 5) = - 3 i 7 i - (- 3 i) \cdot 5

= - 3 i 7 i - (- 3 i) \cdot 5

- 3 i 7 i = 21

- (- 3 i) \cdot 5 = 15 i

= 21 + 15 i

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Frequently Asked Questions (FAQ)

What is simplify-3i(7i-5) ?
The solution to simplify-3i(7i-5) is 21+15i