NCERT Solutions for Class 9 Maths Chapter 2
Important NCERT Questions
Polynomials
NCERT Books for Session 2022-2023
CBSE Board and UP Board Others state Board
EXERCISE 2.5
Page No:49
Questions No:5 part:1
Factorise: 4x² + 9y² + 16z²+ 12xy – 24yz – 16xz
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4x²+9y²+16z²+12x²-24yz-16xz
=(2x)²+(3y)²+(4z)²+2×2x×3y+2×3y×(-4z)+
2x×-4z×2x
=(2x+3y-4z)²