Advertisements
Advertisements
प्रश्न
Simplify combining like terms: 21b − 32 + 7b − 20b
उत्तर
21b − 32 + 7b − 20b = 21b + 7b − 20b − 32
= b (21 + 7 − 20) −32
= 8b − 32
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Subtract: 5a2 - 7ab + 5b2 from 3ab - 2a2 -2b2
What should be taken away from 3x2 - 4y2 + 5xy + 20 to obtain - x2 - y2 + 6xy + 20?
Subtract:
2a2 from − 7a2
Solve:
(6a − 5b − 8c) + (15b + 2a − 5c)
Find the sum of the following expressions
a + 5b + 7c, 2a + 10b + 9c
Find the sum of the following expressions
u + v, u – v, 2u + 5v, 2u – 5v
Add:
5x2 – 3xy + 4y2 – 9, 7y2 + 5xy – 2x2 + 13
The number of scarfs of length half metre that can be made from y metres of cloth is ______.
Add the following expressions:
ab + bc + ca and – bc – ca – ab
Add the following expressions:
x3y2 + x2y3 + 3y4 and x4 + 3x2y3 + 4y4
