The qudractic equation is
.
Apply subtraction property of equality: If a = b then a
c = b
c.
(Subtract 1 from each side)
(Apply additive inverse property:
)
The equation compare to quadratic equation, then a = 5, b =
7 and c =
1.
Quadratic formula:
.
(Substitute x = v, a = 5, b =
7 and c =
1)
(Evaluate power:
)
(Simplify)
(Add: 49 + 20= 69)
Using the calculator to evaluate square root.
\
Separate the solutions
.
(Simplify)

The solution set is
.