Question 1072815
(2x+1)^2 + (4x+6)^2 = (6x-1)^2
4x^2 + 4x + 1 + 16x^2 + 48x + 36 = 36x^2 - 12x + 1
20x^2 + 52x + 37 = 36x^2 - 12x + 1
16x^2 - 64x - 36 = 0
x = {{{(-(-64)+-sqrt*((-64)^2-(4)(16)(-36)))/(2(16))}}}={{{2+-5/2}}}
x = 9/2 or -1/2(rejected)