Question

find zero of the polynomial p(x)=x2-4​

Answer 1

Answer:

$x = 2 \: \: \: \: \: \: \: \: or\: \: \: \: \:x = - 2$

Step-by-step explanation:

${x}^{2} - 4 = 0 \\ \\ (x - 2)(x + 2) = 0 \\ \\ x = 2 \: \: \: \: \: \: \: \: or\: \: \: \: \:x = - 2$

Answer 2

Answer:

2 and -2

Step-by-step explanation:

(x-√4) (x+√4)

x=√4,-√4

x=2,-2