Answer:
- 20 + 8i
Step-by-step explanation:
Noting that i² = - 1
Given
[(6i + 9) + (4i - 5)] × 2i ← evaluate the terms inside the square bracket
= ( 6i + 9 + 4i - 5 ) × 2i
= (10i + 4) × 2i ← multiply each term in the parenthesis by 2i
= 20i² + 8i
= 20(- 1) + 8i
= - 20 + 8i
Answer:
$31728
Step-by-step explanation:
sorry if I'm wrong
<span>if
1c<span>m3</span>=1mm</span>
then<span><span>
1942×1c<span>m3</span>=1942×1mm</span></span>
The answer would be y=-4x+0