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which of the following illustrates quadratic equations.write them in standard form.

A.
1.) x² + 3 = -4x
2.) y² - 4y >0
3.) z³ - 3z + 3z =1
4.) 5x (2x + 3) -4 =0
5.) (u + 3) (u - 6) =0 ​


Sagot :

Answer:

1.) x2+4x+3=0

2.) y²-4y= 0

3.) z³-3z+3z-1=0

Step-by-step explanation:

sorry for the rest