Respuesta :

Floki22
x² + 14x + c

Remember:

(x+c)² = x² + 2xc + c²

14x = 2xc

14 = 2c

c = 7

Therefore:

(x+7)² = x² + 14x + 49
1624663646

Answer: the answer is 49 (apex)

Step-by-step explanation: