math subject

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make (a) the subject

2a+ã2a^2=10

please and thank you

(the 2a^2 is all spuare rooted)

  • math subject -

    2a + sqrt (2a^2)=10

    a(2+sqrt2)=10
    a=10/(3.141)

  • math subject (correction) -

    Square root of a^2 = a

    Factor out a.

    a(2 + sqrt2) = 10

    Sqrt 2 = 1.4142 = 1.41

    a(2 + 1.41) = 3.41a = 10

    Divide both sides by 3.41.

    x = 10/3.41 = 2.93

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