Posted by jerri on Thursday, October 3, 2013 at 11:14pm.
solve by the quadriatic formula, Im still trying to figure how to do this can someone please help me.
(5x+1)^2 + 13=0

math  Steve, Friday, October 4, 2013 at 12:34am
to use the QF, first expand things
25x^2 + 10x + 1 + 13 = 0
25x^2 + 10x + 14 = 0
Now just plug your numbers into the QF. The roots will be complex, as you can easily see since
(5x+1)^2 = 13
but the left side is always positive, meaning there are no real solutions.
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