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Alona [7]
4 years ago
11

Simplify the algebraic expression: x(x + 3) + x(2x - 4) + 6

Mathematics
2 answers:
Paha777 [63]4 years ago
8 0

Answer

3x2-x+6 i hope this helps

marusya05 [52]4 years ago
6 0

Step-by-step explanation:

x(x + 3) + x(2x - 4) + 6

First, let's distribute the x variable to each term in the first parenthesis:

x^{2} + 3x + x(2x - 4) + 6

Next, let's distribute the x variable to each term in the second parenthesis:

x^{2} + 3x + 2x^{2} - 4x + 6

Next, let's group like terms together:

(x^{2} + 2x^{2}) + (3x - 4x) + (6)

Finally, let's add or subtract like terms to get the result:

3x^{2} - x + 6

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A trangle has a 30 angle and a 55angle .what is the other angle ?how do you know?​
algol [13]

Answer:

95°

Step-by-step explanation:

  • <em>Sum of 3 angles of a triangle equals to 180°</em>

<u>Here we have angles of 30° and 55°, so the remaining angle is:</u>

  • 180° -(30° + 55°) = 95°
5 0
4 years ago
A rectangle has vertices W(2,3), X(2,6), Y(7,6), and Z(7,3).
KiRa [710]

Answer:

Step-by-step explanation:

A rectangle has 4 sides.

2 of them are lengths and 3 of them are widths.

We can simply use coordinate geometry (without graphing) to find side lengths of the rectangle. We will use Distance Formula.

We can find all the 4 lengths by using Distance Formula from points:

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Note, that we don't need to find all 4 of them individually, because 2 are lengths (same) and 2 are widths (same). Thus we can find

Distance of WX, which would be same as distance of YZ

also

Distance of XY which would be same as distance of WZ

<em><u>Note:</u></em> Distance Formula is  D=\sqrt{(y_2-y_1)^2+(x_2-x_1)^2}  where D is the distance, x_1, y_1 is the first coordinate points and x_2,y_2 is the second coordinate points

4 0
4 years ago
What is the product of the square of 3 and cube of 5?
Diano4ka-milaya [45]
1,125 should be the answer they are right
4 0
3 years ago
Read 2 more answers
I need some help! i will try to give brainliest!!!
o-na [289]

Answer:

its A because the Y intercept is at 3

7 0
3 years ago
Who can help me on this ?
Anna [14]

Answer: 3

Step-by-step explanation:

5 0
3 years ago
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