# What is the only solution of 2×2 + 8x = x2 – 16

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## Question:

What is the only solution of 2×2 + 8x = x2 – 16

If you would like to solve the equation 2 * x^2 + 8 * x = x^2 – 16, you can calculate this using the following steps:

2 * x^2 + 8 * x = x^2 – 16
2 * x^2 – x^2 + 8 * x + 16 = 0
x^2 + 8 * x + 16 = 0
(x + 4) * (x + 4) = 0
x = – 4

The correct result would be x = – 4.

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