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Irina-Kira [14]
2 years ago
6

-4+3b^2=143 Simplest radical form

Mathematics
1 answer:
Karolina [17]2 years ago
3 0

Answer:

- 4 + 3b {}^{2 }  = 143 \\ 3b {}^{2}  = 143 + 4 \\ 3b {}^{2} = 147 \\ b {}^{2}   =  \frac{147}{3}  \\ b {}^{2}  = 49 \\ b = 7

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