Respuesta :
(14-x)² = x²
take root to both
√(14-x)² = √x²
|14-x| = |x|
14-x = x
-x = x - 14
-x - x = -14
-2x = -14
x = 7
take root to both
√(14-x)² = √x²
|14-x| = |x|
14-x = x
-x = x - 14
-x - x = -14
-2x = -14
x = 7
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What is the value of x for which (14-x)^2=x^2?
Respuesta :
(14-x)² = x²
take root to both
√(14-x)² = √x²
|14-x| = |x|
14-x = x
-x = x - 14
-x - x = -14
-2x = -14
x = 7
take root to both
√(14-x)² = √x²
|14-x| = |x|
14-x = x
-x = x - 14
-x - x = -14
-2x = -14
x = 7