Question

2x² - 10=0 ? Find the zeroes of this quadratic polynomial

Answer 1

Ans.

2.x2 - 10 = 0
or, x2 - 5 = 0
or, x2 = 5
i.e., x = root over (5), root over (-5).

Answer 2

2x²-10 = 0
 so, 2x² = 10
      so, x² = 5
    so, x = +√5 or -√5