Answer:
-20i² + 10i
Step-by-step explanation:
- 2i (-5 + 10i)
distribute
- 2i (-5) + - 2i (10i)
10i - 20i²
- 20i² + 10i
It means 3 x 3 x 3 x 3 so 81
0.75 + 0.60 + 0.25 = 1.6 total liters ( Addition)
1.6 - 0.2 = 1.4 liters left ( Subtraction)
Answer:
x=2
Step-by-step explanation:
2x - 3 = 1
Add 3 to each side
2x - 3+3 = 1+3
2x = 4
Divide by 2
2x/2 = 4/2
x = 2
Answer:
x = 40
Step-by-step explanation:
collect the terms (3-2)x = 40
subtract the numbers 1x = 40
divide from both side 1x/1 = 40/1
solution x = 40
