Question

Factorisation of P² - 4p- 45 is​

Answer 1

Answer:

(p-9)(p+5)

Step-by-step explanation:

${p}^{2} - 4p - 45 \\ {p}^{2} - 9p + 5p - 45 \\ {p}(p - 9) + 5(p - 9) \\( p - 9)(p +5)$

Answer 2

$(p + 5)(p - 9)$

Step-by-step explanation:

$\\ {p}^{2} - 4p - 45 \: \: \: \: \\ = > {p}^{2} + 5p - 9p - 45 \: \: \: \\ = > p(p + 5) - 9(p + 5) \\ = > (p + 5)(p - 9) \: \: \: \: \: \: \: \: \: \:$

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