Find the zeroes of quadratic polynomial 2x square -25.

a2 - b2= (a + b)(a- b)
2x2 - 25 = (root 2x + 5( root 2 x- 5)
finding x from (root 2x+ 5)
x= (- 5/root 2 )
finding x from (root 2x- 5)
x=( 5/root 2 )
therefore the zeroes are (- 5/root 2 ) and (5/root 2)
 

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