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

User Sergey Telminov
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Answer:


({k}^(2) + 3) *( {k}^(2) + 7) \\ = {k}^(4) + 7 {k}^(2) + 3 {k}^(2) + 21 \\ = {k}^(4) + 10 {k}^(2) + 21

User KFL
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