Which of the following is not a quadratic equation? – McqOptions

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1.	Which of the following is not a quadratic equation?
A.	3x(x + 5) Â11 = 2x(x -Â 2) + 6
B.	4x(x + 3) + 7 = 4x(x -Â 11) + 9
C.	x(x + 2) Â15 = x(2x -Â 5) + 11
D.	4x - 6x +Â 9 = 0
Answer» C. x(x + 2) Â15 = x(2x -Â 5) + 11

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