Advertisements
Advertisements
प्रश्न
Find the sum of 4x2 + 7 − 3x, 4x − x2 + 8 and − 10 + 5x − 2x2.
बेरीज
Advertisements
उत्तर
(4x2 + 7 − 3x) + (4x − x2 + 8) + (− 10 + 5x − 2x2)
= 4x2 + 7 − 3x + 4x − x2 + 8 − 10 + 5x − 2x2
= 4x2 − x2 − 2x2 + 7 + 8 − 10 + 4x + 5x − 3x
= 4x2 − 3x2 + 15 − 10 + 9x − 3x
= x2 + 5 + 6x
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Evaluate:
7 − (4a − 5)
Subtract:
5a − 3b + 2c from a − 4b − 2c.
Subtract:
5 − a − 4b + 4c from 5a − 7b + 2c.
Take − ab + bc − ca from bc − ca + ab.
Subtract x – 2y – z from the sum of 3x – y + z and x + y – 3z.
Fill in the blanks:
6 × 3 = .............. and 6x × 3x = ............
Fill in the blanks:
15 × 3 = .............. and 15x × 3x5y2 = ............
Fill in the blank:
4x × 6x × 2 = .....................
Fill in the blank:
5 × 5a3 = ................
The value of y1 is:
