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OpenStudy (loisvanpaige):
Simplify the product. (2 + sqrt 10)(2 – sqrt 10)
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OpenStudy (loisvanpaige):
@Hero ? @hartnn ?
OpenStudy (anonymous):
Okay I got -5.98..Does that sound correct or nah
OpenStudy (loisvanpaige):
actually yes that does sound correct!
OpenStudy (loisvanpaige):
how did u get that tho?
OpenStudy (anonymous):
Actually the answer is -6
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OpenStudy (anonymous):
the square root of 10 is 3.16227766 by a calculator. so 2+ 3.16227766 is 5.16227766. Then 2 -3.16227766 = -1.16227766 which multiplied is -which when you round is -5.999999 so when rounding, it is -6
OpenStudy (anonymous):
I hope I helped! :) Become a fan and give a medal for more help when you need it (:
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