Solve for x (x^2-16)/(x-4)=x+4

Math
Factor each term.
Tap for more steps…
Rewrite as .
Since both terms are perfect squares, factor using the difference of squares formula, where and .
Reduce the expression by cancelling the common factors.
Tap for more steps…
Reduce the expression by cancelling the common factors.
Tap for more steps…
Cancel the common factor.
Rewrite the expression.
Divide by .
Move all terms containing to the left side of the equation.
Tap for more steps…
Subtract from both sides of the equation.
Combine the opposite terms in .
Tap for more steps…
Subtract from .
Add and .
Since , the equation will always be true for any value of .
All real numbers
The result can be shown in multiple forms.
All real numbers
Interval Notation:
Solve for x (x^2-16)/(x-4)=x+4

Download our
App from the store

Create a High Performed UI/UX Design from a Silicon Valley.

Scroll to top