Question

8b²-10=190 con procedimiento :)

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Answer 1

Explicación:

$8. {b}^{2} - 10 = 190 \\ 8. {b}^{2} = 190 + 10 \\ 8 .{b}^{2} = 200 \\ {b}^{2} = 200 \div 8 \\ {b }^{2} = 25 \\ \\ b = 5 \\ {5}^{2} = 25$