Question

x^2+4x=x^2+4/2x+4/2x​

Answer 1

= x²+ 4x = x²+ 8/2x

= x²- x² + 4x = 8/2x

= 4x = 4/x

= 4x * x = 4

= 4x² = 4

= x² = 4/4

= x² = 1

= x = √1

= x = 1

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