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(3k+14)k=5 If r and s represents the s...

`(3k+14)k=5`
If r and s represents the solutions of the equation above and `rgts`, what is the value of the difference r-s?

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To solve the equation \((3k + 14)k = 5\) and find the difference \(r - s\) where \(r\) and \(s\) are the solutions, we can follow these steps: ### Step 1: Rewrite the equation in standard form We start with the equation: \[ (3k + 14)k = 5 \] Expanding the left side gives: \[ 3k^2 + 14k = 5 \] Now, we rearrange it to set it to zero: \[ 3k^2 + 14k - 5 = 0 \] ### Step 2: Identify coefficients In the standard quadratic form \(ax^2 + bx + c = 0\), we identify: - \(a = 3\) - \(b = 14\) - \(c = -5\) ### Step 3: Use the quadratic formula The quadratic formula to find the roots \(k\) is given by: \[ k = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a} \] Substituting the values of \(a\), \(b\), and \(c\): \[ k = \frac{-14 \pm \sqrt{14^2 - 4 \cdot 3 \cdot (-5)}}{2 \cdot 3} \] ### Step 4: Calculate the discriminant Calculating the discriminant: \[ b^2 - 4ac = 196 + 60 = 256 \] So we have: \[ k = \frac{-14 \pm \sqrt{256}}{6} \] ### Step 5: Simplify the square root Calculating the square root: \[ \sqrt{256} = 16 \] Thus, the equation becomes: \[ k = \frac{-14 \pm 16}{6} \] ### Step 6: Calculate the two solutions Now we calculate the two possible values for \(k\): 1. \(k_1 = \frac{-14 + 16}{6} = \frac{2}{6} = \frac{1}{3}\) 2. \(k_2 = \frac{-14 - 16}{6} = \frac{-30}{6} = -5\) ### Step 7: Identify \(r\) and \(s\) Let \(r = \frac{1}{3}\) and \(s = -5\) (since \(r > s\)). ### Step 8: Calculate the difference \(r - s\) Now we find the difference: \[ r - s = \frac{1}{3} - (-5) = \frac{1}{3} + 5 = \frac{1}{3} + \frac{15}{3} = \frac{16}{3} \] ### Final Answer Thus, the value of \(r - s\) is: \[ \frac{16}{3} \] ---
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