which of the following is not a quadratic equation (x2+3x-5=0)(x2+x3+3=0)(3+x+x2=0)(x2-9=0)
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sorry don't know
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sorryyyyy
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Answer:
hi friend mark it as brainliest
Step-by-step explanation:
the answer is quadratic equation should have 2 as its degree or highest power
(x²+x³+3=0)this is a cubic equation so this is not quadratic
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