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cindaice cindaice
  • 17-10-2016
  • Mathematics
Answered

3x² + 5x - 7 how do I answer this question.

Verified Answer :

hannahcakes
hannahcakes hannahcakes
  • 17-10-2016

Combine like terms
8x^2-7
Then I think this works.

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Anonymous Anonymous
  • 17-10-2016

You need to know what X is equivalent to. in this EXAMPLE I will use 2

3(2 squared) + 5(2) - 7

3(4) + 10-7

12 + 10 - 7

22 - 7 = 14

the answer is 14  IF X EQUALS 2

X might not equal two in your case

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