What is (1+sqrt(5))(1-sqrt(5)) ?

The solution to (1+sqrt(5))(1-sqrt(5)) is -4

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simplify (1+sqrt(5))(1-sqrt(5))

simplify

(1 + 5) (1 - 5)

- 4

Solution steps

(1 + 5) (1 - 5)

Apply Difference of Two Squares

(1 + 5) (1 - 5) : - 4

= - 4

3 t^{2} - 16 t + 25 = 0

\frac{( a x - 4 a - 2 b x + 8 b )}{( 2 a x + a y - 4 b x - 2 b y )}

\frac{x + 5}{1 - x} \leq \frac{3 - x}{x + 3}

(2 + 5 i) (5 - 3 i)

(\frac{2}{3})^{10}