msl090961 msl090961

18-03-2019
Mathematics

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which steps can be used to solve the equation a+4= - 3/a?

Respuesta :

Ammimochi Ammimochi

18-03-2019

Multiply both sides by a

(a + 4)a = -3

Regroup terms

a(a + 4) = -3

Expand

a^2 + 4a = -3

Move all terms to one side

a^a + 4a + 3 = 0

Factor a^2 + 4a + 3

(a + 1)(a + 3) = 0

Solve for a

a = -1, -3

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