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3 votes
Complete the square. Fill in the number that makes the polynomial a perfect-square quadratic.

x2-30x+

User Lukegf
by
7.9k points

1 Answer

14 votes

Answer:

225

Explanation:

a
x^(2) - bx + c


((b)/(2)) ^(2)


((-30)/(2)) ^(2)


(-15)^(2) \\

225


(x-15)^(2) =
x^(2) - 30x + 225

User Eofster
by
7.4k points

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