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2 years ago

Expand and simplify (3x-1)(x-3)

Mathematics

1 answer:

ValentinkaMS [17]2 years ago

4 0

Following are simplifications to the given expression:

Given:

$\bold{(3x-1)(x-3)}$

To find:

simplify=?

Solution:

$\to \bold{(3x-1)(x-3)}\\\\\to \bold{(3x^2-9x-x+3)}\\\\\to \bold{(3x^2-10x+3)}\\\\$

Therefore, the final answer is " $\bold{3x^2-10+3}$ ".

Learn more:

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How do you do this problem?

soldi70 [24.7K]

You make use of the given relationships to write an equation only involving "a".

... a = (sum of three numbers) × (1 + 0.25) . . . . a is 25% more than the sum of three numbers.

Then

... (sum of three numbers) = a/1.25 = 0.8a

The sum of the three numbers and a is given as 783.

... sum of 4 numbers = (sum of three numbers) + a

... 783 = 0.8a + a = 1.8a

... 783/1.8 = a = 435

The appropriate selection is (B) 435.

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4 years ago

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Today, everything at a store is on sale. The store offers a 10% discount.

luda_lava [24]

Answer:

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Step-by-step explanation:

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3 years ago

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Solve:<br><br><img src="https://tex.z-dn.net/?f=%5Cunderset%7Bx%5Crightarrow~3%7D%7B%5Clim%7D~%5Cdfrac%7B2x%5E2-18%7D%7Bx%5E2-3x

vodomira [7]

Hello, please consider the following.

$\displaystyle \lim_{x\rightarrow3}~\dfrac{2x^2-18}{x^2-3x} \\ \\ \\ =\lim_{x\rightarrow3}~\dfrac{2(x^2-3^2)}{x(x-3)} \\ \\ \\ =\lim_{x\rightarrow3}~\dfrac{2(x-3)(x+3)}{x(x-3)} \\ \\ \\ =\lim_{x\rightarrow3}~\dfrac{2(x+3)}{x} \\ \\ \\=\dfrac{2(3+3)}{3}\\ \\ \\=\dfrac{2*3*2}{3} =\Large \boxed{\sf \bf \ 4 \ }$

Thank you

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3 years ago

The length of a line segment is 13 units. One end point of the line segment is (-3,7). Find four points that could be the other

monitta

Answer:

( -16,7 ) , ( 10,7 ) , ( -3,20 ) and ( -3,-6 )

Step-by-step explanation:

We are given a line segment with one end point ( -3,7 ) and length 13 units.

So, there are many possibilities for the other end points.

Four of them are:

A. 13 units left i.e. ( -3-13,7 ) = ( -16,7 )

B. 13 units right i.e. ( -3+13,7 ) = ( 10,7 )

C. 13 units up i.e. ( -3,7+13 ) = ( -3,20 )

D. 13 units down i.e. ( -3,7-13 ) = ( -3,-6 ).

So, the other four end points could be ( -16,7 ) , ( 10,7 ) , ( -3,20 ) and ( -3,-6 ).

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3 years ago

Line segment EG is partitioned by point F in the ratio 1:3. Point E is at E (0,4), and point F is at (1,3). What are the coordi

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Answer:

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Step-by-step explanation:

0,4 1,3 has to be farther

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Expand and simplify (3x-1)(x-3)​

Expand and simplify (3x-1)(x-3)