Question

Find the zeros of the following quadratic polynomial 2x²-25
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Answer 1

1. 2x^2-25=0
2. 2x^2=25
3. x=(+_)5/(2)^1/2

Answer 2

Answer:

Hey mate...

2x^2-25..

=(root 2x)^2-(5)^2

$\sqrt{2x } \: - 5. \sqrt{2x} \: + 5$

$x = 5 \div \sqrt{2} \: . - 5 \div \sqrt{2}$

They are zeroes of the equation..

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