3 years ago

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

Mathematics

1 answer:

-BARSIC- [3]3 years ago

6 0

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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