emeron1001 emeron1001

30-03-2017
Mathematics

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factoring quadratics

factoring quadratics class=

Respuesta :

30-03-2017

You need to bring the right to the left
2X^2-9x-x^2+20=0
So you combine and get
X^2-9x+20
(X-4)(X-5)
Cuz -4 times -5 =20 and -4+-5=-9
So solve X-4=0. X-5=0
X=4. X=5

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