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Which, if any, of the following equations are quadratic equations? How do you know? x2=10 6x2+2=80 4x3-6=25 2(x+4)2=65 (5x-2)=3x4

Which, if any, of the following equations are quadratic equations? How do you know? x2=10 6x2+2=80 4x3-6=25 2(x+4)2=65 (5x-2)=3x4
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3 votes
Which, if any, of the following equations are quadratic equations? How do you know?

x2=10
6x2+2=80
4x3-6=25
2(x+4)2=65
(5x-2)=3x4

User SV Madhava Reddy
by
8.2k points

2 Answers

4 votes

Answer: .

Explanation:

User Nepthar
by
8.5k points
3 votes

Answer:

(5x-2)=3x4

Explanation:

add that's in the () first

User Techflash
by
8.1k points
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