Which of the following is a quadratic equation?
a)2x2 + 3 = (5 + x) (2x - 3)
b)(x2 + 1) = (2 - x)2 + 3
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Step-by-step explanation:
1}.
4+3=5(2×-3)+×(2×-3)
7=10×-15×+2×^2-3×
7=5(2×-3)+×(2×-3)
7=(5+×)(2×-3)
2}.
(×^2+1)=
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