### Home > A2C > Chapter 9 > Lesson 9.2.3 > Problem 9-111

9-111.

Show that each of the following equations is true. Homework Help ✎

(

*i*− 3)^{2}= 8 − 6*i*(2

*i*− 1)(3*i*+ 1) = −7 −*i*(3 − 2

*i*)(2*i*+ 3) = 13

Start by multiplying.*i* ^{2} − 6*i* + 9 = 8 − 6*i*

*i* ^{2} = −1, so *i* ^{2} − 6*i* + 9 = −1 − 6*i* + 9 = 8 − 6*i*

See part (a).

See part (a).