raul88133 raul88133

23-04-2021
Mathematics

contestada

Find the valid value(s) for x:
x2 +5x+6
= 1
x+3

Find the valid values for x x2 5x6 1 x3 class=

Respuesta :

surjithayer10otahza surjithayer10otahza

23-04-2021

Answer:

x=-1

Step-by-step explanation:

x+3≠0

x≠-3

x²+5x+6=x+3

x²+5x+6-x-3=0

x²+4x+3=0

x²+x+3x+3=0

x(x+1)+3(x+1)=0

(x+1)(x+3)=0

x+3≠ 0

so x+1=0

x=-1

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