Which of the following is a quadratic equation?
a. x^2+2x+1=(4-x)^2+3
b. -2x^2 = (5-x) (2x- 2/x )
c. (x-3)(x-4) = (5-x) (6-3x)
d. (2x-3)^3 = 6x +5
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1
Answer:
I think
Step-by-step explanation:
d is correct.......
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