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)
Answer Link
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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