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Tatiana [17]
3 years ago
8

Use the grouping method to factor the polynornial below com 3x + 9x² + 4x+12

Mathematics
1 answer:
ch4aika [34]3 years ago
5 0

Add 3x and 4x.

9x^2 +7x +12

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Can somebody help me
patriot [66]

Answer:

Down below

Step-by-step explanation:

1. 3/4x-7-16, combine -7 and -16, 3/4x-23

2. -8+2y+4, combine -8 and 4, 2y+4

3. -4x+11x+3y, combine -4x and 11x, 7x+3y

4. 41+b-25b, combine b and -25b, 41-24b

5. -1/2(8x-2), distribute: -1/2*8x and -1/2*-2, -4x+1

6. $40, 15% off: 40(1.00-0.15)= $34

So simplifying expressions means to just combine like terms (e.g. 2 and 4, 5x and -18x, 7y and y, etc.)

Distribution means to apply the multiplication to the terms inside the parentheses (e.g. a(x+y) -> ax+ay)

Sales is just: original price * (1 - percent off by)

I hope this helps!

4 0
3 years ago
Find the nth term or this sequence 3 8 13 18 23
netineya [11]
Solutions 
3 8 13 18 23 

The pattern is add 5 each time. 
3 + 5 = 8 
8 + 5 = 13 
13 + 5 = 18 
18 + 5 = 23 
23 + 5 = 28 
28 + 5 = 33
33 + 5 = 38 
38 + 5 = 43 ⇒ The 9th term is 43

43 is the answer 

4 0
3 years ago
Read 2 more answers
the question for this is "*The Spanish Club begins the school year with a $50 balance in its account. To raise money for activit
Arturiano [62]

Answer:

y= 18x+50

x=number of weeks

Step-by-step explanation:

x=number of weeks

y=spanish clubs account balance

18 is your slope (every week they get 18 more dollars)

50 is your y intercept or your starting balance

3 0
2 years ago
The relationship between the cost, y, in dollars, and the feet of steel beam, x, bought can be modeled by the proportional equat
lara [203]

Answer:

The relationship is

y = 12x

5 0
3 years ago
Help me please I need this done by tomorrow!!!!
Reptile [31]
12) 12, 8

12 - 8 = 4

12 + 8 = 20

Answer: 4 < x <span>< 20

13) 11, 3

11 - 3 = 8

11 + 3 = 14

Answer: 8 </span>< x <span>< 14

Hope this helps :)</span>
3 0
3 years ago
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