Advertisements
Advertisements
प्रश्न
How much is 21a3 – 17a2 less than 89a3 – 64a2 + 6a + 16?
Advertisements
उत्तर
Required expression is
89a3 – 64a2 + 6a + 16 – (21a3 – 17a2)
= 89a3 – 64a2 + 6a + 16 – 21a3 + 17a2
On combining the like terms,
= 89a3 – 21a3 – 64a2 + 17a2 + 6a + 16
= 68a3 – 47a2 + 6a + 16
So, 21a3 – 17a2 is 68a3 – 47a2 + 6a + 16 less than 89a3 – 64a2 + 6a + 16.
APPEARS IN
संबंधित प्रश्न
Subtract: −2(xy)2 (y3 + 7x2y + 5) from 5y2 (x2y3 – 2x4y + 10x2)
Sum of a – b + c and – a + b – c is zero
Subtract: 15q from 25q
Subtract: 13x + 12y – 5 from 27x + 5y – 43
Subtract: 3p + 5 from p – 2q + 7
Subtract – 3ab – 8 from 3ab + 8. Also, subtract 3ab + 8 from – 3ab – 8
Subtract the following expressions:
11 – 15y2 from y3 – 15y2 – y – 11
How much does 93p2 – 55p + 4 exceed 13p3 – 5p2 + 17p – 90?
Translate the following algebraic expression:
4b – 3
