Null points

Calculate the roots of the equation:


Correct answer:

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

Step-by-step explanation:

 x(;53(x+4)3(x+5)2(x+4)=30x=8.125(;5 x(5;43(x+4)+3(x+5)2(x+4)=30x=17.5/(5;4 x(4;+)3(x+4)+3(x+5)+2(x+4)=30x=0.625(4;+) P={8.125,0.625}

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