Advertisements
Advertisements
प्रश्न
Evaluate :
3x2 + 5xy − 4y2 + x2 − 8xy − 5y2
योग
उत्तर
3x2 + 5xy − 4y2 + x2 − 8xy − 5y2
= 3x2 + x2 + 5xy - 8xy − 4y2 − 5y2
= 4x2 − 3xy − 9y2
shaalaa.com
Combining like Terms
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Evaluate :
−7x2 + 18x2 + 3x2 − 5x2
Evaluate :
7x − 9y + 3 − 3x − 5y + 8
Add : 5a + 3b, a − 2b, 3a + 5b
Add : 8x − 3y + 7z, −4x + 5y − 4z, −x − y − 2z
Add : 3b − 7c + 10, 5c − 2b − 15, 15 + 12c + b
Find the total savings of a boy who saves ₹ (4x – 6y), ₹ (6x + 2y), ₹ (4y – x) and ₹ (y – 2x) for four consecutive weeks.
Subtract : cab − 4cad − cbd from 3abc + 5bcd − cda
The sides of a triangle are x2 – 3xy + 8, 4x2 + 5xy – 3 and 6 – 3x2 + 4xy. Find its perimeter.
What must be subtracted from 19x4 + 2x3 + 30x – 37 to get 8x4 + 22x3 – 7x – 60 ?
How much bigger is 5x2y2 – 18xy2 – 10x2y than –5x2 + 6x2y – 7xy?
