Answer:
7+17i
Step-by-step explanation:
(5+i)(2+3i)
Multiply complex numbers 5+i and 2+3i like you multiply binomials.
By definition, [tex]i^{2}[/tex] is -1.
5×2+5×(3i)+2i+3(−1)
Do the multiplications.
10+15i+2i−3
Combine the real and imaginary parts.
10−3+(15+2)i
Do the additions.
7+17i
