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3 years ago

Factor (2x^2+4x) + (1x+2)

Mathematics

1 answer:

tensa zangetsu [6.8K]3 years ago

8 0

Answer:

(2x + 1) (x + 2)

Step-by-step explanation:

2x² + 4x + 1x + 2

They are already arranged, so you just have to find the GCF. 2x² + 4x have the GCF of 2 and 1x + 2 have the GCF of 1.

2x (x + 2) + 1(x + 2)

Now you divide the whole thing by x + 2.

2x (x + 2) + 1(x + 2)/ x + 2

One of them cancels out leaving (2x + 1) and (x+2)

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Bas_tet [7]

Answer:

6. D.

7. F.

8. A.

9. B.

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Step-by-step explanation:

6. 9 + (12 - 10)

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20 - 15 = 5

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2 years ago

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anygoal [31]

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Step-by-step explanation:

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2 years ago

How can 17/20 and 7/4 make a sum of 9/10

Anika [276]

Answer:

the answer is $\frac{35}{20}$

Step-by-step explanation:

You have to find the common denominator in order to get the sum.

multiply 5 to $\frac{7}{4}$ and you get $\frac{35}{20}$

then to double check the sum, subtract it.

$\frac{35}{20}-\frac{17}{20}=\frac{9}{10}$

hope this make sense :/

6 0

3 years ago

Solve each equation by substitution:<br><br>y = 6x - 17<br>y= -4x +23

NISA [10]

Answer:

$y = 6x - 17 \\ y = - 4x + 23 \\ then \\ 6 x - 17 = - 4x + 23 \\ 10x = 40 \\ x = 4 \\ y = 7$

7 0

2 years ago

Factorise fully 3x-9x^2

artcher [175]

Answer:

$3x(1 - 3x)$

Step-by-step explanation:

We can factor the expression by using the common factor.

Pull out 3x from the expression.

$3x - 9 {x}^{2} \\ 3x(1 - 3x)$

Common Factor is similar to dividing by the term we pull out. When we pull out the term, we divide the whole expression and keep the term out of the expression.

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3 years ago