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Factorise the following x² + 9 x + 20​
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1 vote
Factorise the following x² + 9 x + 20​

User Gene Reddick
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1 Answer

7 votes

Answer:

Explanation:


x^2+9x+20\\=x^2+4x+5x+20\\=x(x+4)+5(x+4)\\=(x+4)(x+5)\\

User Pirkko
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