Q. 177 B5.0( 2 Votes )

Find x.

We know that, when the bases of the terms are same and those terms are multiplied, then their exponents are added.

So,

As the bases are same so the exponents can be equated,

2x + 9 = x + 2

x = 2 – 9 = -7

The value of x is -7

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Genius Quiz | Powers and Exponents27 mins
Quiz | Mastering Powers and Exponents45 mins
Smart Revision | Learning the Laws on Exponents50 mins
NCERT | Laws of Exponents25 mins
QUIZ | Exponents and Power35 mins
Smart Revision | Standard Form of Exponents50 mins
Quiz | Powers and Exponennts43 mins
Champ Quiz | Power and Exponents31 mins
Master Exponents & Power37 mins
Advance Problems in Exponents & Power40 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses