what is the formula of (a+b) (and)
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(a+b)² =a² + 2ab + b² (a−b)² = a² − 2ab + b² (a+b)(a–b)=a² – b²
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Algebra Formulas
Algebra is a branch of mathematics that substitutes letters for numbers. An algebraic equation depicts a scale, what is done on one side of the scale with a number is also done to either side of the scale. The numbers are constants. Algebra also includes real numbers, complex numbers, matrices, vectors and much more. X, Y, A, B are the most commonly used letters that represent algebraic problems and equations.
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