Respuesta :

manteadelaide510

Answer:

C

Step-by-step explanation:

The equation will become

[tex] {x}^{2} + 4x - 252 = 0[/tex]

If I substitute 14 into the position of x

[tex] {14}^{2} + 4(14) - 252 = 0[/tex]

[tex] {14}^{2} + 4(14) = 252 \\ 196 + 56 = 252[/tex]

I get 252 exactly