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प्रश्न
How much less 2a2 + 1 is than 3a2 – 6 ?
योग
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उत्तर
3a2 – 6
+ 2a2 + 1
– –
a2 – 7
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Combining like Terms
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संबंधित प्रश्न
Evaluate :
3x2 + 5xy − 4y2 + x2 − 8xy − 5y2
Add : 5a + 3b, a − 2b, 3a + 5b
Add : x3 − x2y + 5xy2 + y3, - x3 − 9xy2 + y3, 3x2y + 9xy2
Subtract : −2x2y + 3xy2 from 8x2y
Subtract : 3a − 5b + c + 2d from 7a − 3b + c − 2d
Subtract : 6a + 3 from a3 − 3a2 + 4a + 1
Subtract : cab − 4cad − cbd from 3abc + 5bcd − cda
Take away – 3x3 + 4x2 – 5x+ 6 from 3x3 – 4x2 + 5x – 6
What must be added to x4 – x3 + x2 + x + 3 to obtain x4 + x2 – 1 ?
The two adjacent sides of a rectangle are 2x2 – 5xy + 3z2 and 4xy – x2 – z2. Find its perimeter.
