Answer :
If you remove the parentheses... and the probably will become this → 5i 3i
Next, 5i × 3i → 15ii
Make it into a exponent [rule] → [tex] 5i^{2} [/tex]
Then, [tex] i^{2} [/tex] → -1
((-1)) 15
Therefore, your answer for this equation is -11
Next, 5i × 3i → 15ii
Make it into a exponent [rule] → [tex] 5i^{2} [/tex]
Then, [tex] i^{2} [/tex] → -1
((-1)) 15
Therefore, your answer for this equation is -11