Question

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

Answer 1

Answer:

225

Step-by-step explanation:

a$x^{2}$ -  bx + c

$(\frac{b}{2}) ^{2}$

$(\frac{-30}{2}) ^{2}$

$(-15)^{2}$

225

$(x-15)^{2}$ = $x^{2}$ - 30x + 225