Question

find the zeros of quadratic polynomial 2x square - 25

Answer 1

zero's of this polynomial are
-5/√2 and 5/√2

Answer 2

STEP BY STEP EXPLANATION:-

GIVEN EQUATION:-

2x² - 25

( √2x )² - ( 5 )²

Using identity :- a² - b² = ( a + b ) ( a - b )

( √2x + 5 ) ( √2x - 5 )

• ( √2x + 5 ) = 0

x = - 5 /√2

• ( √2x - 5 ) = 0

x = 5 /√2