Which of the following is the correct factored form of the given equation?

4x^2-25=0

a.(4x - 5)(x + 5) = 0
b.(2x - 5)(2x + 5) = 0
c.2(x - 5)^2= 0

Respuesta :

SASSAS
it would be letter B (2x - 5)(2x + 5) = 0
4x^2 - 25 = 0 (2x)^2 - (5)^2 = 0 now using a^2 - b^2 = (a+b)(a-b) (2x +5)(2x-5)=0