175k views
4 votes
Simplify the expression (2 − 5i)(3 + 7i) − (4 + 3i) and please be sure to explain your steps!

1 Answer

2 votes

Answer:

2-33i

Explanation:

(2 − 5i)(3 + 7i) − (4 + 3i) |Set up equation|

6+14i-15i-35i-(4+3i) |Multiply the numbers in the parentheses together using the distributive property|

6-1i-35i-(4+3i) Subtract like terms

6-36i-(4+3i) Subtract like terms

6-4-36i+31 Open parentheses and put like terms together

2-33i Answer

Hope this helped!

User ReallyMadeMeThink
by
3.1k points