Find the product and write the result in standard form.
-$( 9 + 8 i ) ( 6 - 6 i )$
A) $- 48 i ^ { 2 } - 6 i + 54$
B) $6 + 102 \mathrm { i }$
C) $102 + 6 i$
D) $102 - 6 i$

Question

Quizplus · Accepted Answer

To find the product, use the distributive property: $(9 + 8i)(6 - 6i) = 54 - 54i + 48i - 48i^2$. Since $i^2 = -1$, the expression simplifies to $54 - 6i + 48 = 102 - 6i$.

Find the Product and Write the Result in Standard Form (9+8i)(6−6i)( 9 + 8 i ) ( 6 - 6 i )(9+8i)(6−6i)

Find the Product and Write the Result in Standard Form $( 9 + 8 i ) ( 6 - 6 i )$