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wariber [46]
3 years ago
14

3x 2 -7x + 4 from 5x 2 - 3x + 8.

Mathematics
1 answer:
zhenek [66]3 years ago
5 0

Answer:

2x^2 +4x +4

Step-by-step explanation:

5x ^2 - 3x + 8 - (3x ^2 -7x + 4)

Distribute the minus sign

5x ^2 - 3x + 8 - 3x ^2 +7x - 4

I like to put them vertically

 5x ^2 - 3x + 8

- 3x ^2 +7x - 4

-----------------------

2x^2 +4x +4

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see the attached figure to better understand the problem

we know that

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so

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