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algebra · worked example

Solve x² - 2x - 15 = (x - 5)(x + 3)

Method: पूर्णांक गुणनखंडन. Verified step-by-step solution with our free AI math solver.
Problem

x2−2x−15x^2 - 2x - 15

Step-by-step solution

  1. ऐसी दो संख्याएँ खोजें जिनका गुणनफल −15-15 हो और योग −2-2 हो।

  2. (−5,3)(-5, 3) आज़माएँ: (−5)(3)=−15(-5)(3) = -15 ✓, −5+3=−2-5 + 3 = -2 ✓।

  3. परिणाम: (x−5)(x+3)(x - 5)(x + 3)।

Answer

(x−5)(x+3)(x - 5)(x + 3)

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