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Semmy [17]
2 years ago
13

Factor the following trinomial completely. Look first for the greatest common factor.

Mathematics
2 answers:
kupik [55]2 years ago
6 0

Answer:

2(3r-2)(r+3)

Step-by-step explanation:

6r^2+14r-12

Start by factoring out the greatest common factor, 2:

2(3r^2+7r-6)

Factor out the trinomial in the parentheses using the "Reverse FOIL" method (Write 2 parentheses and factor out the trinomial into them):

2(3r-2)(r+3)

_

To check:

(Multiply First, Outside, Inner, Last):

2(3r^2+9r-2r-6)

Combine like terms:

2(3r^2+7r-6)

Distribute the 2:

6r^2+14r-12

tresset_1 [31]2 years ago
4 0

Answer:

2(3r-2)(r+3)

Step-by-step explanation:

Factor 6r^2+14r-12

6r2+14r-12

=2(3r-2)(r+3)

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Answer:

49

Step-by-step explanation:

26- (-23)

26 + 23 This is because when you have a negative times a negative it equals a positive.

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2 years ago
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Step-by-step explanation:

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2 years ago
6 (x-6) = -3 (-x + 3)
Bond [772]
You have to distribute!
6(x) = 6x and 6(-6)=-36
So now you have 6x-36=-3(-x+3)
Now do the same on the other side.
-3(-x)=3x -3(3)=-9
So now, 6x-36=3x-9
Combine the like terms:
Subtract 3x in both sides.
6x-3x=3x
Now: 3x-36=-9
Add 36 in both sides.
3x=27
Divide by 3 on both sides to get x alone.
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5 0
3 years ago
What is the difference written in scientific notation 1.3x10^6 - 6.8 x 10^5
Pavlova-9 [17]

One way to solve this is to revert to integers.

Do this by moving the decimal in 1.3 to the right 6 places (indicated by the positive power value) and then 6.8 move the decimal to the right 5 places (same reason)

Now you have 1,300,000 & 680000. Subtract to get 620,000.

Now convert your product to scientific notation again by moving your decimal to the left until you are left with 6.2 x ? The question mark will be 10 to the number of places you moved the decimal. 10^5

We have 6.2 x 10^5.

It is import to note that when the decimal must be moved to the right for values less than one, the power will be negative.

3 0
3 years ago
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