Seudónimo Seudónimo
  • 10-10-2017
  • Mathematics
contestada

What is the sum of the coefficients of the expression 3x4+5x2+x3x4+5x2+x?

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Аноним Аноним
  • 10-10-2017
The answer is 9.
The coefficients are 3,5, and 1 and when you add them up you get 9.
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musiclover10045
musiclover10045 musiclover10045
  • 10-10-2017

 add like terms

 x^3x^4 = x^7

5x^2 + 5x^2 = 10x^2

you end up with x^7 +3x^4 + 10x^2 +x


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