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creativ13 [48]
3 years ago
5

Factorise x^2 + x - 12

Mathematics
2 answers:
icang [17]3 years ago
7 0

Answer:

(x+4)(x-3)

Step-by-step explanation:

I'm italian. I used a formula that we Italians call "somma e prodotto". Tell me if it's correct.

MrMuchimi3 years ago
4 0
Hello friend I am sending you this picture

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Simplify<br>1)5x+3=x+13<br>2)5/2x-1/X =1/6​
Artyom0805 [142]

Step-by-step explanation (Question 1):        

<u>Step 1: (Question 1): Subtract x from both sides.</u>

5x+3=x+13

5x+3−x=x+13−x

4x+3=13

<u>Step 2: (Question 1): Subtract 3 from both sides.</u>

4x+3−3=13−3

4x=10

<u>Step 3: (Question 1): Divide both sides by 4.</u>

4x/4 = 10/4

FIRST ANSWER: x = 5/2

Step-by-step explanation (Question 2):      

<u>Step 1: (Question 2): Multiply by LCM</u>

15x^2 - 6 = x

<u>Step 2: (Question 2): Solve 15x^2</u>

15x^2 - 6 = x:

x = 2/3

x = -3/5

<u>Step 3: (Question 2): Solve</u>

ANSWER: x=0.666667 or x=−0.6

See Attachment 1 for question 1 steps (FULL)

See Attachment 2 for question 2 steps (FULL)

Answer:    

1)   x = 5/2

2)  x=0.666667 or x=−0.6

 

Hope this helps.

8 0
2 years ago
Read 2 more answers
Free.... f..... r.... e.... e... FREE POINTS! (and brainliest ofc) 50 + 50 means..... 100!!! (pops up as 50 for you guys, sorry!
Marysya12 [62]

Answer:

you're a g love you so much bro

4 0
3 years ago
Read 2 more answers
8. In the first two basketball games, Lee scored a total of
Ira Lisetskai [31]

Answer:

19

Step-by-step explanation:

40-21+19

5 0
2 years ago
Ellen Newman has an income of $18,150 and claims 5 exemptions. The amount allowed for each exemption is $1,000. Her state tax is
Vanyuwa [196]
State tax is computed by first subtracting the amount of exemptions (5*$1000=$5000) from annual income and then multiplying it by the state tax.

($18150-$5000)*5%= $657.50
3 0
3 years ago
To the nearest millimeter,a cell phone is 132 mm and 69 mm wide. What is the ratio of the width to the length
ZanzabumX [31]

Answer:

23:44 or 1:1.91

Step-by-step explanation:

w:l =69:132     Divide each number by   3

     = 23:44     Divide each number by 23

     ≈   1:1.91

The width-to-length ratio is 23:44 or approximately 1:1.91

7 0
3 years ago
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