English

Subtract the Second Expression from the First: 10abc, 2a2 + 2abc - 4b2 - Mathematics

Advertisements
Advertisements

Question

Subtract the second expression from the first:

10abc, 2a2 + 2abc - 4b2 

Sum
Advertisements

Solution

10abc - (2a2 + 2abc - 4b2 )

= 10 abc - 2a2 - 2abc + 4b2 

= 10 abc - 2 abc - 2a2 + 4b2

= 8abc - 2a2 + 4b2 

shaalaa.com
  Is there an error in this question or solution?
Chapter 11: Fundamental Concepts (Including Fundamental Operations) - Exercise 11 (B)

APPEARS IN

Selina Concise Mathematics [English] Class 7 ICSE
Chapter 11 Fundamental Concepts (Including Fundamental Operations)
Exercise 11 (B) | Q 9.09
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×