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2 years ago

5

Factorise x² -9x + 20

1 answer:

marishachu [46]2 years ago

6 0

Answer:

<em> (x - 5)(x - 4)</em>

Step-by-step explanation:

<em>Hi there ! </em>

<em>x² - 9x + 20 =</em>

<em>= x² - 4x - 5x + 20</em>

<em>= x(x - 4) - 5(x - 4)</em>

<em>= (x - 5)(x - 4)</em>

<em>Good luck !</em>

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