solve using formula method
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Answer:
3m 2+2m−7=0
3m 2+2m−7=0a=3,b=2,c=−7
3m 2+2m−7=0a=3,b=2,c=−7m= −b± root b 2−4ac upon 2a
m= −2± 2 2 −4⋅3(−7) upon 6
= −2±2 22 upon 6
m= −1 ± root 22 upon 3
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