Arturo O. answered 10/02/17
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15x2 + 1 = 8x
15x2 - 8x + 1 = 0
Use the quadratic equation to find x.
x = {1/[2(15)]} {-(-8) ± √[(-8)2 - 4(15)(1)]}
Simplify and get your 2 solutions.