Question #19831
4^(x^2+4x)=2^-6
Expert's answer
4^(x^2+4x)=2^-6
2^(-6)=4^(-3)
so 4^(x^2+4x)=4^(-3)
then x^2+4x=-3
x1=-1, x2=-3
2^(-6)=4^(-3)
so 4^(x^2+4x)=4^(-3)
then x^2+4x=-3
x1=-1, x2=-3
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#340153 on Dec 2023
#340153 on Dec 2023