Answer:
Let's solve your equation step-by-step.
x2−1=0
For this equation: a=1, b=0, c=-1
1x2+0x+−1=0
Step 1: Use quadratic formula with a=1, b=0, c=-1.
x=
−b±√b2−4ac
2a
x=
−(0)±√(0)2−4(1)(−1)
2(1)
x=
0±√4
2
x=1 or x=−1
Answer:
x=1 or x=−1
Step-by-step explanation:
:)
