Add: xy²z² + 3x²y²z - 4x²yz², - 9x²y²z + 3xy²z² + x²yz²
Solution:
Given terms to add → xy²z² + 3x²y²z - 4x²yz², - 9x²y²z + 3xy²z² + x²yz²
⇒ xy²z² + 3x²y²z - 4x²yz² - 9x²y²z + 3xy²z² + x²yz²
Grouping like terms
= xy²z² + 3xy²z² + 3x²y²z - 9x²y²z - 4x²yz² + x²yz²
= 4xy²z² - 6x²y²z -3x²yz²
✦ Try This: Add 7a²bc + 3ab²c + 11abc² , -17a²bc + 13ab²c - 18abc², 9a²bc - 5ab²c + 12abc²
Given, sum of 7a²bc + 3ab²c+11abc² , -17a²bc + 13ab²c - 18abc², 9a²bc - 5ab²c +12abc²
⇒ (7a²bc + 3ab²c + 11abc²) + (-17a²bc + 13ab²c - 18abc²) + (9a²bc - 5ab²c + 12abc²)
= 7a²bc -17a²bc + 9a²bc + 3ab²c + 13ab²c - 5ab²c + 11abc² - 18abc² + 12abc²
= -a²bc + 11ab²c + 5abc²
☛ Also Check: NCERT Solutions for Class 8 Maths Chapter 9
NCERT Exemplar Class 8 Maths Chapter 7 Problem 81(iii)
Add: xy²z² + 3x²y²z - 4x²yz², - 9x²y²z + 3xy²z² + x²yz²
Summary:
Adding xy²z² + 3x²y²z - 4x²yz², - 9x²y²z + 3xy²z² + x²yz² we get 4xy²z² - 6x²y²z -3x²yz²
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