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wolverine [178]
4 years ago
14

Factorise fully 4x^2+28x^3

Mathematics
2 answers:
olga_2 [115]4 years ago
8 0

Answer:

4x²×(1+7x)

Step-by-step explanation:

Novosadov [1.4K]4 years ago
4 0

Answer:

4x^2+28x^3 : 4x^2 (7x + 1)

Step-by-step explanation:

4x^2+28x^3

Apply exponent rule: \:a^{b+c}=a^ba^c

x^3=xx^2

=28xx^2+4x^2

Rewrite 28 as 4\cdot \:7:

=4\cdot \:7xx^2+4x^2

Factor out common term 4x^2:

=4x^2\left(7x+1\right)

Hope I helped, if so may I get brainliest and a thanks?

Thank you, have a good day! =)

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Last year, Kaitlin opened an investment account with $8600. At the end of the year, the amount in the account had decreased by 2
musickatia [10]

Answer:

Kaitlin's account will have 72% of the money initially invested, that is, about $ 6,192.

Step-by-step explanation:

Given that last year Kaitlin opened an investment account with $ 8,600, and at the end of the year, the amount in the account had decreased by 28%, to determine the year-end amount in terms of the original amount both in whole numbers and in decimals, the following calculation must be performed:

100 - 28 = 72

8,600 x 0.72 = X

6.192 = X

Thus, Kaitlin's account will have 72% of the money initially invested, that is, about $ 6,192.

5 0
3 years ago
Find the distance between the two points in simplest radical form.<br> (-1,0) (8,-5)
ivanzaharov [21]

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5 0
3 years ago
An arc subtends a central angle measuring \dfrac{3\pi}{5}
k0ka [10]
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3 0
2 years ago
Read 2 more answers
60 points
Agata [3.3K]

Answer:

blank 1: 2xy(4x-5y)+3(4x-5y)

blank 2: (2xy+3)(4x-5y)

Step-by-step explanation:

Using factoring group to factor the polynomial 8x²y−10xy²+12x−15y

Step 1: Group the polynomial function

(8x²y−10xy²)+(12x−15y)

Step 2: Factor the common value and variables from the functions in parentheses.

= (2xy*4x - 2xy(5y)) + (3(4x) - 3(5y))

= 2xy(4x-5y)+3(4x-5y)

Step 3: Rearrange the expression by selecting one of the function in parentheses and combine those not in parenthesis.

(2xy+3)(4x-5y)

The final expression gives the factor form of the polynomial.

Hence the statement for each blank that correctly completes Lana's work are;

blank 1: 2xy(4x-5y)+3(4x-5y)

blank 2: (2xy+3)(4x-5y)

6 0
3 years ago
6.5 x 6.4 pls help me send a step by step picture because I’m very confused thank you !
Marizza181 [45]

Answer:

Check out the image below!

Step-by-step explanation:

5 0
3 years ago
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