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22 May, 04:31

S = 6ab + 4a^3

Make b the subject of the formula

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  1. 22 May, 05:27
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    Solve for b:S = 4 a^3 + 6 a b

    S = 4 a^3 + 6 a b is equivalent to 4 a^3 + 6 a b = S:4 a^3 + 6 a b = S

    Subtract 4 a^3 from both sides:6 a b = S - 4 a^3

    Divide both sides by 6 a:Answer: b = S / (6 a) - (2 a^2) / 3
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