Question

I . Which of the following are quadratic equations in x ?
a . 15 x2 - 28 = x
b . 48 x2 - 13x -1 = 0
c . root 3 x2 + 10x - 8 root 3 = 0
d . 3 root 7 x2 + 4x - root 7 = 0
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Answer 1

Answer:

Option( A. and B.)

Step-by-step explanation:

a . 15 x2 - 28 = x

b . 48 x2 - 13x -1 = 0

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