Respuesta :
The value of x is equal to √7.
What is an expression?
Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication and division.
The value of x is calculated as,
(x² −7) ² +2x ² −14 = 0
(x² −7) ² + 2 ( x² - 7) = 0
(x² −7) 3 = 0
(x² −7) = 0
x² = 7
x = √7
Therefore, the value of x is equal to √7.
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