Mathematics, 17.08.2020 01:01, chaanah

For what value of a is the equation: (x + 7)2 = (x − 7)2 + ax an identity? (An identity is an equation in which any number is solution. For example, x + 3 = 3 + x is an identity.)

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For what value of a is the equation: (x + 7)2 = (x − 7)2 + ax an identity? (An identity is an equati...