
Get live Maths 1-on-1 Classs - Class 6 to 12
Last updated at March 30, 2023 by Teachoo
Example 6 From the sum of 2y2 + 3yz, – y2 – yz – z2 and yz + 2z2, subtract the sum of 3y2 – z2 and –y2 + yz + z2. First of all, We’ll find sum of (2y2 + 3yz), (– y2 – yz – z2 ) and (yz + 2z2)