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MATH / One root of the equation 5x²+4x=k (for some real k) is 2. What is the other?

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problem

One root of the equation 5x2+4x=k5x^2+4x=k (for some real kk) is 2. What is the other?
Plain-text mathematical notation (without MathML)
One root of the equation 5x²+4x=k (for some real k) is 2. What is the other?
Original LaTeX notation
One root of the equation $5x^2+4x=k$ (for some real $k$) is 2. What is the other?

level

Level 4

type

Algebra

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