wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Use a suitable identity and simplify x2+6x+9.

A
(x+3)2
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
(x3)2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
(x+6)2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
(x+9)2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is A (x+3)2
Given expression: x2+6x+9

We know that,(a+b)2=a2+2ab+b2.

On comparing, a2+2ab+b2 with x2+6x+9,we have, x2+6x+9=x2+2(3)x+32.

Hence, a=x,b=3.
So, x2+6x+9=(x+3)2.

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Factorization of a Quadratic Trinomial
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon