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nirvana33 [79]
3 years ago
15

Factor 3x^2+ x -2. Help Please!!

Mathematics
2 answers:
slava [35]3 years ago
5 0

Answer:

Step-by-step explanation:

3x^2+x-2

3x^2+3x-2x-2

3x(x+1)-2(x+1)

(3x-2)(x+1)

Snowcat [4.5K]3 years ago
3 0

Answer:

The answer is (3x-2) (x+1) which I found by grouping

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Answer: The fraction 301/900
Note: I'm assuming the 4's continue on forever

==============================================

Work Shown:

I'm going to assume that the 4s go on forever. I'll represent this with three dots after the last 4 like so
0.334444...

Now let x = 0.334444...

Multiply both sides by 100
x = 0.334444...
100x = 100*(0.334444...)
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And repeat with 1000
x = 0.334444...
1000x = 1000*(0.334444...)
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Then subtract and solve for x. Notice how the decimal parts line up and cancel
1000x-100x = (334.444444...) - (33.444444...)
1000x-100x = (334+0.444444...) - (33+0.444444...)
1000x-100x = 334+0.444444... - 33 - 0.444444...
1000x-100x = (334-33)+(0.444444... - 0.444444...)
900x = 334 - 33
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