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Charra [1.4K]
3 years ago
12

An expression is shown below:

Mathematics
1 answer:
Alex73 [517]3 years ago
3 0

Given:

The given expression is:

6x^2y-3xy-24xy^2+12y^2

To find:

Part A: The expression by factoring out the greatest common factor.

Part B: Factor the entire expression completely.

Solution:

Part A:

We have,

6x^2y-3xy-24xy^2+12y^2

Taking out the highest common factor 3y, we get

=3y(2x^2-x-8xy+4y)

Therefore, the required expression is 3y(2x^2-x-8xy+4y).

Part B:

From part A, we have,

3y(2x^2-x-8xy+4y)

By grouping method, we get

=3y(x(2x-1)-4y(2x-1))

=3y(x-4y)(2x-1)

Therefore, the required factored form of the given expression is 3y(x-4y)(2x-1).

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Answer:

95 city and 175 highway miles.

Step-by-step explanation:

The driver gets 20 mpg in city, and 28 mpg on the highway.

An equation that could be written is

20x+28y=270

This equation accounts for the distance traveled.

x+y=11

This equotion accounts for how many gallons were driven.

Multiply the bottom equation by 20, so you can solve the set of equations.

20x+28y=270

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subtract them

8y=50

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now plug this back into x+y=11

x+6.25=11

x=4.75

Now 4.75×20=95 city miles and 6.25×28=175 highway miles.

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Step-by-step explanation:

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