How do you do this problem?

Solve by factoring or finding square roots.

x^2-1=0

Question

Jaylene Copeland

9 September, 04:32

+5

Answers (2)

Know the Answer?

Kate Harrell · Answer 1

use formula^: a²-b² = (a-b) (a+b)

x²-1=0

x²-1²=0

(x-1) (x+1) = 0

x-1=0⇒ x₁=-1

x+1=0 ⇒x₂=1

Answer: x=+-1

Rebecca Delacruz · Answer 2

Rebecca Delacruz 9 September, 06:30

0

X² - 1 = 0

+ 1 + 1

x² = 1

x = + 1

How do you do this problem?Solve by factoring or finding square roots.x^2-1=0