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Real solutions
murcorm
Sep 23, 2008, 02:37 PM
(5x + 35)^1/2 = 8 +x
dcasmr
Sep 23, 2008, 07:26 PM
First, square both sides to elimate the square root-
Your equation becomes: X2 +16X +64 = 5X + 35
Group everything: X2 +11X +29 = 0
Find delta, the discrimant: Delta = 5
X1 = (-11 -Sqrt(5) )/2
X2 = (-11 +SQRT(5) )/2