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Wittaler [7]
3 years ago
15

Simplify. (3x^2-2x+2)-(x^2+5x-5)

Mathematics
2 answers:
Montano1993 [528]3 years ago
5 0

Answer:

2 x^2 - 7 x + 7

Step-by-step explanation:

(3x^2-2x+2)-(x^2+5x-5)

Distribute the minus sign to all terms in the  second parenthesis.

Plus signs become minus and minus signs become plus signs

(3x^2-2x+2)-x^2-5x+5

Combine like terms

3x^2 -x^2 -2x -5x +2 +5

2 x^2 - 7 x + 7

kap26 [50]3 years ago
4 0

I think this would be the answer: 2x^2  - 7x  + 7

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3 years ago
I need help on #10
Ede4ka [16]
D = sq.root of((x2 - x1)^2 + (y2 - y1)^2)
sq.root of 13 = sq.root of((x - (-2))^2 + (1 - 3)^2)
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Now if we square both sides:
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x = -5 or x = 1
6 0
3 years ago
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