Question

which of the following are quadratic equations xsquare +6x-4 =0​

Answer 1

x^2+6x-4=0

x^2+6x=0+4

x^2+6x=4

x+6x=√4

7x=2

x=2/7

ak side 2 kisi ke power hai to dusri side jake root me change ho jati hai

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Answer 2

it is a quadratic equation friend