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||x-6|-5|=4

||x-6|-5|=4 equation

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Numerical solution:

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The solution

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||x - 6| - 5| = 4
∣∣x−6∣−5∣=4\left|{\left|{x - 6}\right| - 5}\right| = 4
Simplify
The graph
05-15-10-5101520253035020
Plot the graph f1(x)
Plot the graph f2(x)
Rapid solution [src] 
x1 = -3
x1=−3x_{1} = -3 
x2 = 5
x2=5x_{2} = 5 
x3 = 7
x3=7x_{3} = 7 
x4 = 15
x4=15x_{4} = 15 
x4 = 15
Sum and product of roots [src] 
sum
-3 + 5 + 7 + 15
((−3+5)+7)+15\left(\left(-3 + 5\right) + 7\right) + 15 
=
24
2424 
product
-3*5*7*15
15⋅7(−15)15 \cdot 7 \left(- 15\right) 
=
-1575
−1575-1575 
-1575
Numerical answer [src] 
x1 = 5.0
x2 = -3.0
x3 = 7.0
x4 = 15.0
x4 = 15.0
The graph
||x-6|-5|=4 equation
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