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Ivahew [28]
3 years ago
6

Factor completely: 3x2 + 2x - 1. Answer. (3x + 1)(x + 1). (3x + 1)(x - 1). (3x - 1)(x + 1). (3x - 1)(x - 1).

Mathematics
2 answers:
ankoles [38]3 years ago
7 0
The correct answer for this question is "<span>(3x - 1)(x + 1).</span><span>"</span>
This is how to factor the given polynomial:
<span>3x2 + 2x - 1
</span><span>(3x - 1) (x + 1) 

It takes trial and error in order to get the final factor of a given polynomial. It has to be exact and correctly done.</span>
7nadin3 [17]3 years ago
3 0

Answer:

Factors are  ( 3x - 1 ) ( x + 1).

       

Step-by-step explanation:

Given :  3x²+ 2x - 1.

To find : Factor.

Solution : We have given that  3x²+ 2x - 1.

By factoring :    3x²+ 3x -1x - 1.

Taking common 3x in first two terms and -1 from last two terms .

   3x( x + 1) -1 (x + 1 ).

On grouping :    ( 3x - 1 ) ( x + 1).

Therefore , Factors are  ( 3x - 1 ) ( x + 1).

       

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Factorise 6x²-14x-12​
maksim [4K]

Answer:

2(x - 3)(3x + 2)

Step-by-step explanation:

Given

6x² - 14x - 12 ← factor out 2 from each term

= 2(3x² - 7x - 6) ← factor the quadratic

Consider the factors of the product of the coefficient of the x² term and the constant term which sum to give the coefficient of the x- term.

product = 3 × - 6 = - 18 and sum = - 7

The factors are - 9 and + 2

Use these factors to split the x- term

3x² - 9x + 2x - 6 ( factor the first/second and third/fourth terms )

= 3x(x - 3) + 2(x - 3) ← factor out (x - 3) from each term

= (x - 3)(3x + 2)

Thus

3x² - 7x - 6 = (x - 3)(3x + 2) and

6x² - 14x - 12 = 2(x - 3)(3x + 2) ← in factored form

8 0
3 years ago
The figures below are similar find the missing perimeter P = 30 m 8m p = ? 4.8 m
notka56 [123]

The perimeter will scale linearly with the sides, so

p = \dfrac{4.8}{8} (3) = 18 \textrm{m}

Third choice.

8 0
3 years ago
I need help with #2 (click the attached photo to view properly)<br>I will mark Branliest​
Shtirlitz [24]

Hi there! :)

\large\boxed{j(h(x))(2) = 31}

Solve for j(h(x)):

h(x) = x² + 4

j(x) = 4x - 1

Substitute in h(x) into "x":

j(h(x)) = 4(x² + 4) - 1

j(h(x)) = 4x² + 16 - 1

j(h(x)) = 4x² + 15

Solve at x = 2:

4(2)² + 15 = 4(4) + 15 = 31.

7 0
3 years ago
Rob is saving to buy a new MP3 player. For every $13 he earns babysitting, he saves $8. On Saturday, Rob earned $65 babysitting.
Vedmedyk [2.9K]

Answer:

60

Step-by-step explanation:

So you first start off with 13 and 8 you subtract it and get five so he uses 5 every time he gets paid and you subtract 5 from 65 and get 60

--Hope this helps

6 0
3 years ago
The net of a triangular prism and its dimensions are shown below. What is the total surface area of the prism? a) 54 m squared b
Andre45 [30]

Answer:

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧    

 

✅ I will have the file for the answer key below!

~ ₕₒₚₑ ₜₕᵢₛ ₕₑₗₚₛ! :₎ ♡  

~

Download pdf
4 0
2 years ago
Read 2 more answers
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