a^2-2a+{5a^2-(3a-4a^2)}
Answers
Answered by
2
Answer:
a=1/2
Step-by-step explanation:
a²-2a+{5a²-(3a-4a²)}
a²-2a+{5a²-3a+4a²}
a²-2a+{9a²-3a}
a²-2a+9a²-3a=0
10a²=5a
10a=5
a=1/2
Answered by
2
Answer:
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