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horrorfan [7]
2 years ago
14

Simplify:3x^2+5x-7x+3-5x^2+2

Mathematics
1 answer:
Llana [10]2 years ago
6 0

Answer:

3 {x}^{2}  + 5x - 7x + 3  - 5 {x}^{2}  + 2 \\ 3 {x}^{2}  - 5 {x}^{2}  + 5x - 7x + 3 + 2 \\   = - 2 {x}^{2}  - 2x + 5

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The length of a rectangle is 6 in longer than its width.if the perimeter of the rectangle is 68in find the length and width ?
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The length and the width of the rectangle are 20 and 14 inches respectively

<h3>How to find the length and width?</h3>

The given parameters are:

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The perimeter of a rectangle is calculated as:

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So, we have:

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