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

Find the valid value(s) for x: x2 +5x+6 = 1 x+3-example-1
User Chb
by
8.5k points

1 Answer

5 votes

Answer:

x=-1

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

User Ruud
by
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