Solve x² - 2x - 15 = (x - 5)(x + 3)

Problem

$x^2 - 2x - 15$

Step-by-step solution

ऐसी दो संख्याएँ खोजें जिनका गुणनफल $-15$ हो और योग $-2$ हो।
$(-5, 3)$ आज़माएँ: $(-5)(3) = -15$ ✓, $-5 + 3 = -2$ ✓।
परिणाम: $(x - 5)(x + 3)$ ।

Answer

$(x - 5)(x + 3)$

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