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Using the quadratic formula, what is the solution set of ?
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1
Identify the coefficients in the quadratic equation \(x^2 + 5x - 5 = 0\). Here, \(a = 1\), \(b = 5\), and \(c = -5\).
Recall the quadratic formula for solving $ax^2 + bx + c = 0$:
\[x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}\]
Calculate the discriminant \(\Delta = b^2 - 4ac\). Substitute the values:
\[\Delta = (5)^2 - 4(1)(-5)\]
Simplify the discriminant expression to find its value (do not calculate the final number here, just set up the expression).
Substitute \(a\), \(b\), and the discriminant \(\Delta\) back into the quadratic formula to write the solution set as:
\[x = \frac{-5 \pm \sqrt{\Delta}}{2}\]