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Sholpan [36]
4 years ago
9

Completely factor the polynomial. 12x^2 + 2x - 4

Mathematics
2 answers:
marissa [1.9K]4 years ago
7 0
2 ( 3 x + 2 ) ( 2 x − 1 )
Luden [163]4 years ago
5 0
I would reccomend using the rainbow method for this since there is a number infront of x^2 

1. Find your magic number   Multiply 12 * -4  = -48 
2. You want a number that multiplies to -48 but adds to 2 
12   -4    + 8
8     -6     +2   This is it. 
3. Substitute those numbers for your middle number 
12x^2 -6x + 8x -4   
4. Factor by grouping
(12x^2 -6x) + (8x-4) 
5. Pull out GCF 
6x(2x-1)  +  4(2x-1) 
(6x+4)(2x-1) 
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6453 to the nearest thousand
iVinArrow [24]

Answer:

Step-by-step explanation:

6,000

if the question is 6,500 to the nearest thousand that will be 7000. i hope this help.

8 0
3 years ago
Read 2 more answers
Justin has $7.50 more than Eva, and Emma has $12 less than Justin. Together, they have a total of $63.00. How much money does ea
uysha [10]

Answer:


Step-by-step explanation:   emma's amount be X .  justin has $7.50+x because he has $7.50 more than emma.Since emma has 7.50+x-$12.to get everyones amount add what they have together which is=$7.50+x+$7.50+x-12 which in total is $63.00.after the calculations you get x=30.now distribute the x equally. so justin has $7.50+30=37.50.we also distribute it with emma's which is 7.50+30-12=25.5.

justin=$37.50

Emma=$25.50

to be sure add 37.50+25.50=$63


5 0
4 years ago
I need help with these three equations <br> 3x - 2 = x + 10<br> X+4=19-2x<br> 8z - 20 =z +15
lapo4ka [179]

Answer:

1st answer is 6, 2nd is 5, 3rd is 5

Step-by-step explanation:

3x-2=x+10

3x-x=10+2

2x=12

x=12÷2

x=6

x+4=19-2x

x+2x=19-4

3x=15

x=15÷3

x=5

8z-20=z+15

8z-z=15+20

7z=35

z=35÷7

z=5

plzz mark me as brainliest

4 0
3 years ago
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Convert 104/25 into a mixed number
bija089 [108]
The answer is 4and4/25
6 0
3 years ago
4) Solve for x.<br> y = 9x – XZ
kogti [31]

Answer:

the answer is x=y/9 + XZ/9

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

4 0
3 years ago
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