Please Help 100 Points One side of a square has a length of (−3x + 7). What is the area of the square? One side of a square has a length of (−3x + 7). What is the perimeter of the square?

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asked Dec 16, 2023 107k views

21 votes

Please Help 100 Points

One side of a square has a length of (−3x + 7). What is the area of the square?

One side of a square has a length of (−3x + 7). What is the perimeter of the square?

Mathematics
high-school

Ivey asked

by Ivey

8.6k points

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1 Answer

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$area = side * side \\ = ( - 3x + 7)( - 3x + 7) \\ = 9x^(2) - 21x - 21x + 49 \\ = 9x^(2) - 42x + 49 \\ \\ parimeter = 4a \\ = 4( - 3x+ 7) \\ = - 12x + 28$