Null points

Calculate the roots of the equation:

3 |x +4| +3 |x +5| +2 |x +4| = 30 ; ;

Result

number of roots:  2
x1 =  -8.13
x2 =  -0.63

Solution:

Solution in text number of roots:=







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To solve this example are needed these knowledge from mathematics:

Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation?

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