What is expand (e^x+1)(e^x-1) ?

The solution to expand (e^x+1)(e^x-1) is e^{2x}-1

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expand (e^x+1)(e^x-1)

expand

(e^{x} + 1) (e^{x} - 1)

e^{2 x} - 1

Solution steps

(e^{x} + 1) (e^{x} - 1)

Apply Difference of Two Squares Formula:

(a + b) (a - b) = a^{2} - b^{2}

a = e^{x}, b = 1

= (e^{x})^{2} - 1^{2}

Simplify

(e^{x})^{2} - 1^{2} : e^{2 x} - 1

= e^{2 x} - 1

(x - \frac{24}{x + 2}) (x - \frac{12}{x - 4})

(x + 1 - 2) (x + 1 + 2)

(2 x y^{3} - 4 y + 4 x - 3) d x + (3 x^{2} y^{2} - 4 x) d y

\frac{x ^{2} + 2 x + 4}{( x + 1 ) ^{2}}

(2, - 4) y (- 3, 8)

What is expand (e^x+1)(e^x-1) ?
The solution to expand (e^x+1)(e^x-1) is e^{2x}-1