naeshayel naeshayel

13-08-2021
Mathematics

contestada

Which expression is equal to (x + 3)2?
A. x2 + 6
B. 2 +9
C. x2 + 6x + 9
D. 12 + 3x + 9

Respuesta :

aayu0302 aayu0302

13-08-2021

Answer:

C. x^2 + 6x + 9

Step-by-step explanation:

(x+3)^2

using formula (a+b)^2= a^2 + 2ab + b^2,

(x)^2 + 2(x)(3) +(3)^2

=> x^2 + 6x + 9

Answer Link

dredsetlhabetsi dredsetlhabetsi

13-08-2021

Answer:

A

Step-by-step explanation:

(x)×2= 2x

(3)×2=6

x2 + 6....

Answer Link

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