(x+5)(x+5)+(2x-5)(2x-5)=2(4x+14)

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вопрос

Expanding both sides of the equation:

Left side: (x+5)(x+5) + (2x-5)(2x-5)
= x^2 + 10x + 25 + 4x^2 - 20x + 25
= 5x^2 - 10x + 50

Right side: 2(4x+14)
= 8x + 28

Therefore, the equation simplifies to:
5x^2 - 10x + 50 = 8x + 28

Now, we can further simplify the equation by moving all terms to one side:
5x^2 - 18x + 22 = 0

It seems like a quadratic equation but we made a mistake in the given equation. The simplified equation above is not equal to the original equation provided.