Question

(1 + √5) − (4 + √5) equals to?

Answer 1

Answer: -3

Step-by-step explanation:

(1 + √5) − (4 + √5)

Rewrite expression to distribute negative:

(1 + $\sqrt{5}$) - 4 -$\sqrt{5}$

We see the following in the expression above:

1 - 4 = -3

$\sqrt{5}$ - $\sqrt{5}$ = 0

So the final answer is -3.  

Answer 2

negative three sqrt5 cancels so it just becomes 1-4 which is -3