How do you simplify (57i)(25i)?

1 Answer
May 29, 2016

2539i

Explanation:

We need to multiply each term in the first set of parentheses by each term in the second set of parentheses. We can write this as follows:

5(25i)7i(25i)

Now we distribute the 5 and 7i. This will give us:

1025i14i+35i2

Combine like terms and remember that i2=1 This will give us:

1039i+35(1)
1039i35
2539i