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प्रश्न
Add: -7mn + 5, 12mn + 2, 9mn - 8, -2mn - 3
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उत्तर
(-7mn + 5) + (12mn + 2) + (9mn - 8) + (-2mn - 3)
= -7mn + 5 + 12mn + 2 + 9mn - 8 − 2mn - 3
= -7mn + 12mn + 9mn - 2mn + 5 + 2 - 8 - 3
= mn (-7 + 12 + 9 - 2) + (5 + 2 - 8 - 3)
= 12mn - 4
संबंधित प्रश्न
Subtract: 5a2 - 7ab + 5b2 from 3ab - 2a2 -2b2
Multiply: \[\left( \frac{x}{7} + \frac{x^2}{2} \right)by\left( \frac{2}{5} + \frac{9x}{4} \right)\]
Add:
17a2b2 + 16c; 28c − 28a2b2
Find the expression to be added with 5a – 3b – 2c to get a – 4b – 2c?
Add:
5x2 – 3xy + 4y2 – 9, 7y2 + 5xy – 2x2 + 13
Add the following expressions:
a2 + 3ab – bc, b2 + 3bc – ca and c2 + 3ca – ab
Add the following expressions:
`5/8p^4 + 2p^2 + 5/8; 1/8 - 17p + 9/8p^2` and `p^5 - p^3 + 7`
Add the following expressions:
t – t2 – t3 – 14; 15t3 + 13 + 9t – 8t2; 12t2 – 19 – 24t and 4t – 9t2 + 19t3
Write two different algebraic expressions for the word phrase “`(1/4)` of the sum of x and 7.”
