Solve x² - x - 12 = (x - 4)(x + 3)

Problem

$x^2 - x - 12$

Step-by-step solution

Cari dua bilangan yang hasil kalinya $-12$ dan jumlahnya $-1$ .
Pasangan $(-4, 3)$ : $(-4)(3) = -12$ ✓, $-4 + 3 = -1$ ✓.
Faktorkan: $(x - 4)(x + 3)$ .

Answer

$(x - 4)(x + 3)$

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