Stephanie2508 Stephanie2508

14-01-2018
Mathematics

contestada

How do I factorise
X^2-12x+20

Respuesta :

madtisolation60 madtisolation60

14-01-2018

SOLUTION
=x^2-(10+2)x+20
=x^2-10x-2x+20
=x(x-10)-2(x-10)
=(x-2)(x-10)

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Аноним Аноним

14-01-2018

You need 2 numbers whose product is + 20 and whose sum is - 12.

They would be -10 and -2 so the factors are:_

(x - 10)(x - 2) Answer

Answer Link

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