plnkpantheress plnkpantheress

09-02-2022
Mathematics

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Factorise x2 + 5x - 84

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chibabykalu16 chibabykalu16

09-02-2022

(x - 7)(x + 12)

Answer:

[tex] {x}^{2} + 5x - 84 \\ {x}^{2} + 12x - 7x - 84 \\ x(x + 12) - 7(x + 12) \\ (x - 7)(x + 12)[/tex]

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