TaesonA739314 TaesonA739314

04-11-2022
Mathematics

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fractorise this[tex] {a}^{2} - 17a + 42[/tex]

Respuesta :

KhymariI555467 KhymariI555467

04-11-2022

Solution

[tex]\begin{gathered} To\text{ factorize} \\ a^2-17a+42 \\ =a^2-14a-3a+42 \\ =a(a-14)-3(a-14) \\ =(a-14)(a-3) \end{gathered}[/tex]

The answer is ( a - 14) (a - 3)

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