NCERT Solutions for Class 8 Mathematics Chapter 9
Important NCERT Questions
Algebraic Expressions and Identities Chapter 9 Exercise 9.4
NCERT Books for Session 2022-2023
CBSE Board
Questions No: 1
Multiply the binomials: (i) (2x+5) and (4x-3) (ii) (y-8) and (3y-4)
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(i) (2x+5)and(4x-3)
=2x(4x-3)+5(4x-3)
= 2xX4x-2xX3+5X4x-5X3
= 8x²-6x+20x-15
= 8x² + 14x-15
(ii) (y-8) and (3y-4) =y(3y-4)-8(3y-4)
= yX3y-yx4-8x3y-8x-4
= 3y²-4y-24y+12
= 3y²-28y+12
Class 8 Maths Chapter 9 Exercise 9.4 Solution in Video
for more answers vist to:
https://www.tiwariacademy.com/ncert-solutions/class-8/maths/chapter-9/