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a + b2 - 3ab, para a = -2 y b = -3

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Algebra 2 - Graphing a quadratic with translations y = (x-3)^2 - 1

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Algebra 2 - When Complex numbers are equal to each other, 5x + 1 + (3 + 2y)i = 2x - 2 + (y - 6)i

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Algebra 2 - Dividing two rational expressions by factoring, ((x + y)/6) / ((x^2 - y^2)/3)

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Tutorial - Evaluate an expression with one variable ex2, 2x + 3 - 2; x=5

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Algebra 2 - Sketch the graph of a factored polynomial using multiplicity, y = (x - 1)(x + 1)(x - 3)

https://www.youtube.com/watch?v=nJigkPDcwG4

Algebra 2 - Solve a system of equation when they are the same line, 3x - 2y = -15; x - (2/3)y = -5

https://www.youtube.com/watch?v=nrrINRUnk74

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Main Topic: Numerical value of an algebraic expression

The numerical value of an algebraic expression is the result obtained by substituting the variables by a numerical value given.

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