What is the value of the product (3-2i)(3 + 2i)?
O 5
O 9 + 4i
O 9–4i
o 13

9 + 4i

Step-by-step explanation:

Multiply using the FOIL method, then combine the real and imaginary parts of the expression.

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.