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Popular >

simplify i(5+7i)

Solution

simplify

i (5 + 7 i)

Solution

- 7 + 5 i

Solution steps

i (5 + 7 i)

Apply the distributive law:

a (b + c) = ab + a c

i (5 + 7 i) = i 5 + i 7 i

= i 5 + i 7 i

i 5 = 5 i

i 7 i = - 7

= 5 i - 7

Rewrite in standard complex form:

- 7 + 5 i

= - 7 + 5 i

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Frequently Asked Questions (FAQ)

What is i(5+7i) ?
The solution to i(5+7i) is -7+5i