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Select all of the following that are quadratic equations. a. x^2 - 2x = 4x + 1 b. x^3 - 6x^2 + 8 = 0 c. 5x - 3 = 0 d. 2x^2+ 12x = 0 e. 5x - 1 = 3x + 8 f. 9x^2 + 6x - 3 = 0
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Select all of the following that are quadratic equations.

a. x^2 - 2x = 4x + 1
b. x^3 - 6x^2 + 8 = 0
c. 5x - 3 = 0
d. 2x^2+ 12x = 0
e. 5x - 1 = 3x + 8
f. 9x^2 + 6x - 3 = 0

User Sherilyn
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a,d,f!!!!!!++!!!+!!!!!!
User Bontade
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We know, Form of Quadratic Equation is: ax² + bx + c = 0

So,Quadratic Equations would be:
[ After Simplification ] :

A.) x² - 6x - 1 = 0

D.) 2x² + 12x + 0 = 0

F.) 9x² + 6x - 3 = 0

Hope this helps!
User Jkrnak
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