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Vedmedyk [2.9K]
3 years ago
7

Factorise pls answer will mark u the brainliest

Mathematics
2 answers:
saveliy_v [14]3 years ago
7 0

Answer:

3m(1-2m)(4m²+2m+1)

Step-by-step explanation:

3m - 24m⁴   (factorize 3m)

=3m(1) - 3m(8m³)

= 3m (1-8m³)

=3m (1³ - 2³·m³)

=3m [ 1³ - (2m)³ ]

recall the cubic formula:

a³ + b³ = (a+b)(a² - ab + b²)

if we apply this to [ 1³ - (2m)³ ], we will eventually get

= 3m(1-2m)(4m²+2m+1)

edit: last step got cut off. fixed

edit 2: by request, i added more detail to the last 2 steps

attashe74 [19]3 years ago
3 0

Answer:

3m(1-2m)(1+2m+4m^2)

Step-by-step explanation:

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Step-by-step explanation:

5 0
2 years ago
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Y = 5x + 4
Luda [366]

Answer:

Correct (1,9), (2,14)

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Step-by-step explanation:

It is simple.

To find the correct values plug a x value.

For Example;

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so your X value is 1 and your Y value is 9

To solve for the incorrect values

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4 0
3 years ago
Mavis drives 634 miles to visit her grandmother in philadelphia. How many miles does mavis drive if she visits her grandmother 4
Dmitriy789 [7]

Mavis drives = 634 miles.

Mavis visits her grandmother 4 times.

That means, she drives 634 miles each time when she visits her mother.

One time round trip Mavis's house to her gramdmother in philadelphia = 634 miles.

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Let us try it by multiplying 4 by 634 .

If we multiply 4 by 634, we get 2536.

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8 0
2 years ago
On a piece of paper, use a protractor to construct △ABC with m∠A=30° , m∠B=60° , and m∠C=90° .
pochemuha

Answer:

It's a right triangle.

Step-by-step explanation:

△ABC with m∠A=30° , m∠B=60° , and m∠C=90°

It's a right triangle.

6 0
3 years ago
A store buys frozen burritos from a supplier for $1.40 each. The store adds a markup of 80% to determine the retail price. This
boyakko [2]
$1.40  -  price from a supplier = 100%
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2,52 * 0,75 = $1,89  -   the sale price.


8 0
3 years ago
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