Question

Simplify the product.
(2 + sqrt 10)(2 – sqrt 10)

Answer 1

@Hero ? @hartnn ?

Answer 2

Okay I got -5.98..Does that sound correct or nah

Answer 3

actually yes that does sound correct!

Answer 4

how did u get that tho?

Answer 5

Actually the answer is -6

Answer 6

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

Answer 7

I hope I helped! :) Become a fan and give a medal for more help when you need it (: