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प्रश्न
Find the sum of 4x2 + 7 − 3x, 4x − x2 + 8 and − 10 + 5x − 2x2.
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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
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संबंधित प्रश्न
Subtract the first term from the second:
3.5abc, 10.5abc
Subtract the first term from the second:
`3 1/2"mn",8 1/2"nm"`
Add the following expression:
a3 − 2b3 + a, b3 − 2a3 + b and − 2b + 2b3 − 5a + 4a3
Subtract:
5a − 3b + 2c from a − 4b − 2c.
Take 5x + 6y − 3z from 3x + 5y − 4z.
Fill in the blanks:
5 × 4 = .............. and 5x × 4y = ............
Fill in the blank:
4x × 6x × 2 = .....................
Fill in the blank:
3ab × 6ax = ..................
Fill in the blank:
− 4x × 5xy × 3z = ....................
In 94, which option correctly identifies the base and the exponent?
