the length of a rectangle is represented by 3x-7 and the width by x+4. express the perimeter as a polynomial in simplest form
1 answer:
Answer: 8x - 6
Step-by-step explanation:
Perimeter is found by doing 2l + 2w
The length is 3x - 7 and width is x + 4
2(3x - 7) + 2(x + 4) =
6x - 14 + 2x + 8 =
8x - 6
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