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13 February, 16:25

Solve x^2 + 4x + 8 = 0.

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  1. 13 February, 16:38
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    Since - 8 does not contain the variable to solve for, move it to the right side of the equation by adding 8 to both sides. To create a trinomial square on the left side of the equation, find a value that is equal to the square of half of b, the coefficient of x. Add the term to each side of the equation.
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