Polynomial Factoring and Imaginary Numbers Review

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i

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Factor completely: 3x^2 + 18x + 15. Hint: Factor GCF first.

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3(x + 5)(x + 1)

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What is the definition of a polynomial?

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A polynomial is a mathematical expression consisting of variables, coefficients, and non-negative integer exponents.

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What is the degree of the polynomial 4x^3 + 2x^2 - x + 7?

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The degree is 3.

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What is the imaginary unit 'i'?

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0.