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Ierofanga [76]
3 years ago
11

What does 4/x+5 + 2x/x^2-25 equal?

Mathematics
1 answer:
earnstyle [38]3 years ago
8 0
Solve for x over the real numbers:
6/x - 20 = 0
Bring 6/x - 20 together using the common denominator x:
-(2 (10 x - 3))/x = 0
Divide both sides by -2:
(10 x - 3)/x = 0
Multiply both sides by x:
10 x - 3 = 0
Add 3 to both sides:
10 x = 3
Divide both sides by 10:
Answer:  x = 3/10
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- 2a = - 20 | x (-)

2a = 20

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Alexeev081 [22]

Answer:

(a)2x^4-9x^3+x^2+x-5

Step-by-step explanation:

(a)The degree of a polynomial is the highest power of the unknown variable in the polynomial.

A polynomial is said to be in standard form when it is arranged in descending order/powers of x.

An example of a fourth degree polynomial is: 2x^4-9x^3+x^2+x-5

We know the polynomial above is in standard form because it is arranged in such a way that the powers of x keeps decreasing.

(b)Polynomials are closed with respect to addition and subtraction. This is as a result of the fact that the powers do not change. Only the coefficients

change. This is illustrated by the two examples below:

(2x^5-3x^2+x)+(3x^5-5x^2)\\=2x^5-3x^2+x+3x^5-5x^2\\=5x^5-8x^2+x\\$Similarly\\(2x^5-3x^2+x)-(3x^5-5x^2)\\=2x^5-3x^2+x-3x^5+5x^2\\=-x^5+2x^2+x

The degrees do not change in the above operations. Only the number beside each variable changes. Therefore, the addition and subtraction of polynomials is closed.

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3 years ago
Use distributive property to write an equivalent expression 6(g+h)
Nimfa-mama [501]

Answer:

6g+6h

Step-by-step explanation:

Hi there!

Well distributive property is basically just multiplying out the parenthesis.

6(g)+6(h)

6g+6h

Hope this helped! Have a great day! ^u^

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Step-by-step explanation:

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