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Serhud [2]
3 years ago
10

For brainiest:):):):):):)

Mathematics
1 answer:
valkas [14]3 years ago
3 0

Answer:answer is answer

Step-by-step explanation:

You might be interested in
In step 2, how do you know that 5x? and -12x? are like terms? If you could please help me with 1,2,3 if not just 2
klemol [59]
First we need to define what a like term is:

Like term meaning:

Terms whose variables (such as x or y) with any exponents (such as the 2 in x2) are the same. Examples: 7x and 2x are like terms because they are both "x".

Answer (for question 1):
For step one, you would just have to expand the brackets. The number of times multiplication would be used is 3 times. If you are confused, I attached a diagram in my ‘side notes’ section.

Answer (for question 2):
-5x squared and -12x squared are like terms because they both end in x squared.

Answer (for question 3):
There are no more like-terms.

Hope this helps!
Please give Brainliest!

Side notes:

3 0
2 years ago
Using the cross multiplication method, which of the following is the solution to 2/(4x-1) = 1/3x?
eduard

2(3x)=1(4x-1)

6x=4x-1

Subtract 4x from each side

2x=-1

Divide each side to get x=-1/2

Your answer would be -1/2

6 0
3 years ago
Solve for x<br>6x²+2x-12​
dem82 [27]

Answer:

Step-by-step explanation:

Solving for x means you have to factor. First factor out the GCF of 2 to get:

2(3x^2+x-6) and now we'll factor using the regular old method of ac and then factoring by grouping. In our polynomial, a = 3, b = 1, c = -6. Therefore, a times c is 3 * -6 which is -18. We need some combinations of the factors of 18 that will add to give us 1, the b term in the middle. The factors of 18 are:

1, 18

2, 9

3, 6 and that's it. Hm...it seems that won't work, so let's throw this into the quadratic formula, going back to the original and a = 6, b = 2 and c = -12:

x=\frac{-2+/-\sqrt{2^2-4(6)(-12)} }{2(6)} and

x=\frac{-2+/-\sqrt{4+288} }{12} and

x=\frac{-2+/-\sqrt{292} }{12} and

x=\frac{-2+/-\sqrt{4*73} }{12} and

x=\frac{-2+/-2\sqrt{73} }{12} which finally simplifies to

x=\frac{-1+/-\sqrt{73} }{6} No wonder that didn't factor using the traditional method of factoring! We could have found that out by finding first the value of the discriminant, but oh well!

8 0
3 years ago
This is really hard please help
Harlamova29_29 [7]
The answer is 6 when u are working with a negative a positive number subtracts
8 0
3 years ago
Read 2 more answers
Can someone help me with this math problem
san4es73 [151]
30 is the answer
i can help if need be

6 0
3 years ago
Read 2 more answers
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