For which value of k is x + 3 a factor of x² + kx - 12? | StemPy Lab

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For which value of k is x + 3 a factor of x² + kx - 12? | StemPy Lab

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For which value of k is x + 3 a factor of x² + kx - 12?

MathematicsMediumHigh School (9–10)GeneralAlgebra › Algebraic Identities and Factorisation

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For which value of $k$ is $x + 3$ a factor of $x^2 + kx - 12$ ?

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← Work out 106² in your head by writing 106 as 100 + 6.A number x satisfies x - 1/x = 3. Square both sides to find x² + 1/x². →

More onAlgebra › Algebraic Identities and Factorisation

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