Check whether the following are quadratic equations:
(i) (x + 1)2 = 2(x-3)
(ii) x2 - 2x=(-2)(3-X)
(iii) (x-2)(x + 1) = (x - 1)(x + 3)
(v) (x-3)(2x +1)= x(x+5)
(v) (2x - 1)(x-3) = (x + 5)(x-1)
(vi) x2 + 3x + 1 = (x-2)
(vii) (x + 2) = 2x (x² - 1)
(viii) x - 4x2-x+1=(x-2)
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Answer:
The given equation is not quadratic
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Step-by-step explanation:
1 is quadratic equation
2 is quadratic equation
3 , 6 , 7 is not quadratic equation
4, 5 , 8 is quadratic equation
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