bracefaceanna bracefaceanna

11-01-2021
Mathematics

contestada

Find the value of c that would make the following expression a
perfect square trinomial.
x2 + 28x + c
C =

Respuesta :

jimrgrant1 jimrgrant1

11-01-2021

Answer:

c = 196

Step-by-step explanation:

To obtain a perfect square trinomial

Add ( half the coefficient of the x- term )² to x² + 28x

x² + 2(14)x + (14)², that is

x² + 28x + 196

= (x + 14)² ← a perfect square

Answer Link

strider874 strider874

11-01-2021

Answer:

c = 196

Step-by-step explanation:

28 /2 = 14

14 x 14 = 196

formula =( b/2) x 2

Answer Link

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