Question

Find the value of p so that the equation 2x²+PX_2=0

Answer 1

Answer: P = 0

Explanation:

2x^2 + Px - 2 = 0
2x^2/2 + Px/2 - 2/2 = 0/2
x^2 + Px/2 - 1 = 0

If we plug P = 0

x^2 + 0x/2 - 1 = 0
x^2 + 0 - 1 = 0
x^2 - 1 = 0
(x - 1)(x + 1) = 0