select the factors for the quadratic expression x^2+ 6x +9

Solution
Step 1
Find the two factors that when added will give you 6x and when multiplied yields 9x²
These factors are 3x and 3x
Step 2
Replace 6x with the factors
[tex]x^2+3x+3x+9[/tex]Step 3
Factorize the expression
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