Question

what should be added to x² +4 to get x² -4 ?
Please answer fast #Brainly @Brainly​

Answer 1

-8

Step-by-step explanation:

Let the number that needs to be added is y.

Then, x^2+4 + y = x^2-4

y= x^2-4 - (x^2+4)

y= x^2-4 - x^2 - 4

y= (-8)

Hence,-8 needs to be added to get the required answer.

Answer 2

Answer:

shsbsvdvscshdhdjdjdbbd

Step-by-step explanation:

bdbdcdcshejebrtvvtcdnd

See bro my fast handwriting.....