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yarga [219]
3 years ago
11

Quick help !!

Mathematics
2 answers:
Talja [164]3 years ago
7 0
I hope this helps you

Marrrta [24]3 years ago
6 0
<span>which answer is equal to 2√-28?
basically, this question wants you to simplify 2</span>√-28. find a perfect square that you can pull out of -28: -4 works just fine.

2√-28 = 2√(-4 · 7)i ... take the √-4 out. the root of -4 is 2i
2(2i)√7... multiply 2*2i
4i√7 is your result. <span>

which answer is the solution to √2x-7 - √x = 1 ?
i've tried, like, every method i know of for this problem and for some reason my answer keeps getting messed up. i entered it into my calculator and got x = 16, so i assume that's your answer, but i'm sorry i couldn't show you any work for it.</span>
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