Question

Fill in the blank to make equivalent rational expressions. Real answers only or you will be reported.

Answer 1

Answer:

9x

_____

3x - 5

multiply with 4 for both numerator and denominator u will get

36 x

___

4x - 20

I hope this is helpful for u

Answer 2

Concept:

Polynomials are the type of algebraic expressions that contain both variables and coefficients.

Given:

9x / ( 3x - 5) = ? / ( 12 x - 20)

Find:

We are asked to find the missing value to fill in the blank to make equivalent rational expressions.

Solution:

We have,

9x / ( 3x - 5) = ? / ( 12 x - 20)

Now,

Let the missing number be y,

i.e.

9x / ( 3x - 5) = y / ( 12 x - 20)

Now,

By using cross multiplication,

We get that,

9x ( 12 x - 20) = y (3 x - 5)

On solving we get,

9x (4)( 3x - 5) = y (3x - 5)

Now,

Dividing both sides by (3x - 5):

We get,

36x = y

So,

y = 36x

Hence, the missing that makes equivalent rational expressions is 36 x.

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