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Fill in the answer tyat completes the square. Then write the trinomial in factored form. X^2+6x+?
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Fill in the answer tyat completes the square. Then write the trinomial in factored form.

X^2+6x+?

User Matveytn
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To complete the square you halve the linear coefficient, (6/2)=3, square it, 3^2=9, and add that to what you have:

x^2+6x+9, factored this is just:

(x+3)^2
User Jondow
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