Advertisements
Advertisements
प्रश्न
How much more than 2x2 + 4xy + 2y2 is 5x2 + 10xy – y2 ?
बेरीज
Advertisements
उत्तर
5x2 + 10xy – y2
+2x2 + 4xy + 2y2
– – –
3x2 + 6xy – 3y2
shaalaa.com
Combining like Terms
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Evaluate :
−7x2 + 18x2 + 3x2 − 5x2
Evaluate :
7x − 9y + 3 − 3x − 5y + 8
Add : 5a + 3b, a − 2b, 3a + 5b
Add : a − 3b + 3; 2a + 5 − 3c; 6c − 15 + 6b
Subtract : 4xy2 from 3xy2
Subtract : 3a − 5b + c + 2d from 7a − 3b + c − 2d
Subtract : a2 + ab + b2 from 4a2 − 3ab + 2b2
Take away – 3x3 + 4x2 – 5x+ 6 from 3x3 – 4x2 + 5x – 6
If x = 6a + 8b + 9c ; y = 2b – 3a – 6c and z = c – b + 3a ; find :
- x + y + z
- x – y + z
- 2x – y – 3z
- 3y – 2z – 5x
The perimeter of a triangle is 8y2 – 9y + 4 and its two sides are 3y2 – 5y and 4y2 + 12. Find its third side.
