Question

Fill in the blanks.

(x+_)^2=x^2+14x+_

Answer 1

Step-by-step explanation:

(ax + b)² = a²x² + 2abx + b²

In this case, a = 1, so:

14 = 2b

b = 7

(x + 7)² = x² + 14x + 49