Answer:
-8+6i
Step-by-step explanation:
-5+-3=-8 since they are both negative its a a negative number
i is 1 but no on e puts 1 i so i plus 5i is 6i
-8+6i
correct me if im wrong please
have a good day :)
Answer:
Option 1
Step-by-step explanation:
x⁴ + 2x³ - 5 + 3 + 7x³ + x⁴
2x⁴ + 9x³ -2
Answer:
6y+12z
Step-by-step explanation:
Multiply 3 with the numbers inside the parenthesis
3 x 2 and 3 x 4
6 and 12
Answer:
x=4, y=-2
Step-by-step explanation:
-5x+8y=-36
5x+7y=6
eqn 1+ eqn 2 gives
15y=-30
divide both sides by 15
y=-2, put in eqn 2
5x+7(-2)=6
5x=20 divide both sides by 5
x=4
Answer:
C
Step-by-step explanation:
You plug it into a calculator and it gives you that number. You have a calculator option on the left hand side that you can figure this out in as well.