cindaice
cindaice
17-10-2016
Mathematics
contestada
3x² + 5x - 7 how do I answer this question.
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hannahcakes
hannahcakes
17-10-2016
Combine like terms
8x^2-7
Then I think this works.
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Аноним
Аноним
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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