Question

Solve:
3x2-8/ 5x2 +2=4/7
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Answer 1

Answer:

3x²-8/5x²+2=4/7

7(3x²-8)=4(5x²+2)

21x²-56=20x²+8

21x²-20x²=8+56

x²=64

x²=8²

x=8