Question

chapter -Quadratic equation

solve

x sq - 64 = 0​

Answer 1

Answer: = +-8

Step-by-step explanation:

x

2

−

64

=

0

x

2

=

64

x

=

±

8

Answer 2

Answer:

X=+8 , -8

Step-by-step explanation:

X^2-64

X^2-8^2

(X-8)(X+8)

X=+8 , -8