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25-03-2020
Mathematics

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A rectangle has a height of k^2+3 and a width of k^2 +7 what is the area

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26-03-2020

Answer:

[tex] ({k}^{2} + 3) \times( {k}^{2} + 7) \\ = {k}^{4} + 7 {k}^{2} + 3 {k}^{2} + 21 \\ = {k}^{4} + 10 {k}^{2} + 21[/tex]

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