Posted by Ty on Sunday, November 11, 2012 at 10:28pm.
solve for X
7=7x^210x+6

college algebra  Steve, Monday, November 12, 2012 at 12:06am
move the 7 over:
7x^2  10x + 13 = 0
using the quadratic formula,
x = (10 +/ sqrt(100364))/14
= (5 +/ sqrt(66) i)/7

college algebra  Marco Van Bustan, Monday, November 12, 2012 at 1:08pm
Write the arithmetic sequence 16,20,24,28,in the standard form:
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