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3 years ago

Please help me!! thank you

Mathematics

2 answers:

Dafna11 [192]3 years ago

7 0

Answer:

x =0 x=3 x=-6 x=7

Step-by-step explanation:

x (x-3) (x +6 ) (x -7 ) =0

Using the zero product property

x =0 x-3=0 x+6=0 x-7 =0

x =0 x=3 x=-6 x=7

These are the zeros

aleksandr82 [10.1K]3 years ago

5 0

Answer:

-6 0 3 and 7 (2nd answer, 4th answer, 5th answer, and last answer.)

Step-by-step explanation:

Just replace "x" with the numbers below individually.

To make it faster don't forget that multiplying anything times 0 = 0

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Simplify: (2x – 3)2 4x2 + 9 4x2 – 12x + 9 4x2 – 12x + 6 4x2 – 6

Alexxandr [17]

Answer:

$4x^2-12x+9$

Step-by-step explanation:

we have

$(2x-3)^2$

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In this problem

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2 years ago

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What is 1/5m - 20 = to

belka [17]

Answer:

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Step-by-step explanation:

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3 years ago

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Fill in the blanks to make the equation true. (x−9)(x+2)=x^2________ −18

Andrews [41]

Answer:

x² - 7x - 18

Step-by-step explanation:

Remember to follow FOIL.

First, multiply the first. (x)(x) = x²

Next, multiply the second. (x)(2) = 2x

Then, multiply the third. (-9)(x) = -9x

Finally, multiply the last. (-9)(2) = -18

Combine like terms: x² + 2x - 9x - 18

x² - 7x - 18

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3 years ago

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A rectanglar swimming pool is three times as long as it is wide. If the perimeter of the soccer feild is 300 yards, what are the

fredd [130]

Answer:

The dimension of the rectangular pool is $112.5\times 37.5$

Step-by-step explanation:

Given : A rectangular swimming pool is three times as long as it is wide. If the perimeter of the soccer field is 300 yards.

To find : What are the dimensions?

Solution :

Let the width of the rectangular pool be 'x'.

A rectangular swimming pool is three times as long as it is wide.

The length of the pool be '3x'

The perimeter of the rectangular swimming pool is $P=2(l+w)$

The perimeter of the soccer field is 300 yards.

Substitute the value in the formula,

$300=2(3x+x)$

$300=2\times 4x$

$300=8x$

$x=\frac{300}{8}$

$x=37.5$

The width of the pool is x=37.5 unit

The length of the pool is $3x=3(37.5)=112.5$

Therefore, The dimension of the rectangular pool is $112.5\times 37.5$

4 0

3 years ago

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