SOLUTION: Can someone help me with this? Simplify the product (4 + i) (6 + 7i). Express the answer in the form a + bi, where a and b are real numbers.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Can someone help me with this? Simplify the product (4 + i) (6 + 7i). Express the answer in the form a + bi, where a and b are real numbers.      Log On


   

Question 91635: Can someone help me with this?
Simplify the product (4 + i) (6 + 7i).
Express the answer in the form a + bi, where a and b are real numbers.
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Start with the given expression

Foil

Multiply

Evaluate i%5E2 to get -1

Multiply

Combine like terms. So it is now in a%2Bbi form where a=17 and b=34