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Simplify the following expression and then write down the coefficient of x²: x² + x² + x² + x²

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Answer:

The expression is 4x² and coefficient is 4.

Explanation:

All have the same variables, x², so you add up together :


1{x}^(2) + 1{x}^(2) + 1{x}^(2) + 1{x}^(2)


= 4 {x}^(2)

User Vroomfondel
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