Asked by Trikzz

Show ALL work or explain in details the correct solution: What is the value of (10 – 6)^2 + 6 • 2 – (3 + 2)^2

I know the answer is 3. I need help with the "Show ALL work or explain in details the correct solution" part.
Answered by oobleck
This one looks familiar, but here it is again:
(10 – 6)^2 + 6 • 2 – (3 + 2)^2
4^2 + 6*2 - 5^2
16 + 6*2 - 25
16 + 12 - 25
Now can you get 3?
Answered by Trikzz
Yes, thanks!
Answered by Reiny
(10 – 6)^2 + 6 • 2 – (3 + 2)^2
brackets first
= 4^2 + 6*2 - 5^2
exponents...
= 16 - 6*2 - 25
multiplication before addition or subtraction
= 16 - 12 - 25
finish it off
= -21 , not 3 as you claim.
Answered by Reiny
oops, typo in 16 - 12 - 25
should be
16 + 12 - 25
= 3
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