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3 years ago

14

Which of the following are solutions?

1 answer:

rosijanka [135]3 years ago

4 0

4x²-12x+9=5
4x²-12x+4=0

x= 12±√(144-4*4*4) / 2*4

x= 12 ± √(144-64) / 8

x=12±√80. /. 8

x= 12+4√5. /8

x=3±√5 / 2. C and E

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