Factorise $x^{2} - 7x + 12$.

Factorise $x^{2} - 7x + 12$.
  1. $(x-3)(x-4)$
  2. $(x+3)(x+4)$
  3. $(x-2)(x-6)$
  4. $(x-1)(x-12)$

Solution

Sum $-7$, product $12$: $-3$ and $-4$.

Asked in: MH-SSC-9

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