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VLD [36.1K]
3 years ago
5

Simplify(7x^-2x+5)-(3x^2+4x+10) show all steps

Mathematics
2 answers:
ad-work [718]3 years ago
7 0
If we are looking to simplify two trinomials, it is easiest to put them on top of each other and subtract.

   7x²  - 2x  + 5                      7x² - 2x + 5
- (3x² + 4x + 10)                  -3x² - 4x - 10

4x² - 6x - 5                   

mario62 [17]3 years ago
6 0
-3x^2-4x+14x^-+1-5

this is what I got, hope this helps. 
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Answer:

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Step-by-step explanation:

Using a suitable formula the area of a polygon can be computed from the coordinates of its vertices. You want the areas of the given square and triangle.

<h3>Square</h3>

The spreadsheet in the first attachment uses a formula for the area based on the given vertices. It computes half the absolute value of the sum of products of the x-coordinate and the difference of y-coordinates of the next and previous points going around the figure.

For this figure, going to that trouble isn't needed, as a graph quickly reveals the figure to be a 3×3 square.

The area of the square is 9 square units.

<h3>Triangle</h3>

The same formula can be applied to the coordinates of the vertices of a triangle. The spreadsheet in the second attachment calculates the area of the 8×6 triangle.

The area of the triangle is 24 square units.

__

<em>Additional comment</em>

We have called the triangle an "8×6 triangle." The intention here is to note that it has a base of 8 units and a height of 6 units. Its area is half that of a rectangle with the same dimensions. These dimensions are readily observed in the graph of the vertices.

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myrzilka [38]

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Answer:

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Step-by-step explanation:

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