Answer:
4a+6b
Step-by-step explanation:
4a -2a +6b +2a
Combine like terms
4a-2a+2a+6b
4a+6b
Answer:
-2 + 4i
Step-by-step explanation:
1) remove unnecessary parentheses:
2 + 3i + (-4 + i)
2) calculate difference:
-4 + 2 = -2
-2 + 3i + i
3) collect like terms:
For our answer: -2 + 4i
There ya go, hope I helped good luck!
Answer:
300
Step-by-step explanation:
Step-by-step explanation:
number of correct answer is x and
number of wrong answer is y
according to question
In the case of Radhika
5x-2y=30
x=10
y=10
In the case of Jay
5x-2y=-12
x=4
y=16
incorrect answer by Radhika is 10 and by jay is 16
