No Real Numbers Satisfy Absolute Value Equation

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you have abs(x^2+4x)=-12

there is no real numbers that satisfy equation because no absolute value is negative number

by definition, absolute value is a value of a number regardless on its sign
examples:
|−5| = 5
|7| = 7

 
you have abs(x^2+4x)=-12

there is no real numbers that satisfy equation because no absolute value is negative number

by definition, absolute value is a value of a number regardless on its sign
examples:
|−5| = 5
|7| = 7

In other words, | expression | CANNOT = NEGATIVE NUMBER.

YES?

See link:

Inequality Proofs
 

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