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vlada-n [284]
2 years ago
12

Open the picture from the other question and do it here​

Mathematics
1 answer:
Alik [6]2 years ago
4 0

k(x) - g(x) + f(x)

(k(x) + f(x))  - g(x)

((2x + 5) + (x - 1)) - ( {6x}^{2}  - 4x +  {3x}^{4}

(2x + 5 +x - 1)  - 6 {x}^{2}   + 4x  -  {3x}^{4}

2x + 5 +x - 1  - 6 {x}^{2}   + 4x  -  {3x}^{4}

( -  {3x}^{4} ) + ( -  {6x}^{2} ) + (2x + x + 4x) + (5 - 1)

-  {3x}^{4} -  {6x}^{2}  + 7x  + 4

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What is the value of x?
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Since all the angles are congruent, the sides must be congruent too.


So, just have one equation on one side equal to another.

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Subtract 3x from both sides.

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Divide 2 into both sides.

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We can check this by seeing if all the sides are the same.

5(3)= 15

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I hope this helps!
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2 years ago
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Let D be Daniel's present age, then we can represent Kevin's present age as 3D because Kevin is 3 times as old as Daniel.

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