Very-Short-Answer Questions

Question:

Very-Short-Answer Questions

Show that $x=-3$ is a solution of $x^{2}+6 x+9=0$.

 

Solution:

The given equation is $x^{2}+6 x+9=0$.

Putting x = −3 in the given equation, we get

LHS $=(-3)^{2}+6 \times(-3)+9=9-18+9=0=$ RHS

∴ x = −3 is a solution of the given equation.

 

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