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प्रश्न
How much more than 2x2 + 4xy + 2y2 is 5x2 + 10xy – y2 ?
योग
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उत्तर
5x2 + 10xy – y2
+2x2 + 4xy + 2y2
– – –
3x2 + 6xy – 3y2
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Combining like Terms
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संबंधित प्रश्न
Evaluate :
abx − 15abx − 10abx + 32abx
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Subtract : cab − 4cad − cbd from 3abc + 5bcd − cda
Subtract : a2 + ab + b2 from 4a2 − 3ab + 2b2
Take away – 3x3 + 4x2 – 5x+ 6 from 3x3 – 4x2 + 5x – 6
Take m2 + m + 4 from −m2 + 3m + 6 and the result from m2 + m + 1.
What must be added to x4 – x3 + x2 + x + 3 to obtain x4 + x2 – 1 ?
If x = 6a + 8b + 9c ; y = 2b – 3a – 6c and z = c – b + 3a ; find :
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- 2x – y – 3z
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