barkonatree barkonatree

19-09-2018
Mathematics

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20 POINTS TO WHOEVER ANSWER

Which polynomial represents the area of the rectangle?

20 POINTS TO WHOEVER ANSWER Which polynomial represents the area of the rectangle class=

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jukkaduei jukkaduei

19-09-2018

[tex](2x + 5) \times( x - 2) \\ = 2x(x) + 2x( - 2) + 5(x) + 5( - 2) \\ = 2 {x}^{2} + ( - 4x) + 5x + ( - 10) \\ = 2 {x}^{2} - 4x + 5x - 10 \\ = 2 {x}^{2} + x - 10[/tex]
The answer is 2x^2 + x - 10

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