You are using an out of date browser. It may not display this or other websites correctly.

You should upgrade or use an alternative browser.

You should upgrade or use an alternative browser.

- Thread starter lookagain
- Start date

- Joined
- Nov 19, 2021

- Messages
- 2,084

[imath]\sqrt{(x-3)(x-1)(x+1)(x+3)+16}[/imath]

[imath]\sqrt{(x^2-9)(x^2-1)+16}[/imath]

[imath]\sqrt{x^4-10x^2+25}[/imath]

[imath]\sqrt{(x^2-5)^2}[/imath]

[imath]7000^2-5[/imath]

[imath]7000^2-5 = \ ?[/imath]

That's almost everything except the final answer, that is, stopping short.

I had to click your post #2 as a "Like" because of the correct process you supplied.

Last edited:

[imath]49000-5 = 48995[/imath]

\(\displaystyle 7,000^2 - 5 \ = \ 49,000,000 - 5 \ = \ 48,999,995\)