English, asked by shaktiom359, 1 month ago

factorise the expression

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Answered by SP85

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${p}^{2} + 3p - 28 \\ {p}^{2} - 4p + 7p - 28 \\ p(p - 4) + 7(p - 4) \\ (p + 7)(p - 4)$

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