By first proving the identity `(2x + a)2 − (x + a)2 equiv x(3x + 2a)`, or otherwise, solve the following equation:
`(2x + 5)2 − (x + 5)2 = 0`.
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By first proving the identity `(2x + a)2 − (x + a)2 equiv x(3x + 2a)`, or otherwise, solve the following equation:
`(2x + 5)2 − (x + 5)2 = 0`.
You did not answer this question.