Question

how do I solve x²-16 using quadratic formula.​

Answer 1

Answer:

x=4 or x=-4

Step-by-step explanation:

the equation can also be written as  x²+0x-16=0

=> a=1, b=0, c=16

thus on putting values in the quadratic formula

you will get x=4 or x=-4

Answer 2

Answer:

x=4 or -4.

Step-by-step explanation:

Please find the attached image.