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24-04-2019
Mathematics

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use any method for solve the following equation for x. 0=x^2+3x-18

Respuesta :

Аноним Аноним

24-04-2019

I am going to use factorization

0=

x^2+3x-18

0=(x-3)(x+6)

6x-3x-18

0= x^2+3x-18

I am just double checking to see if my factorization is right first.

(x-3)(x+6)=0

x-3+3= 0+3

x= 3

x+6=0

x+6-6=0-6

x=-6

Answer : x=3, x=-6

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