SOLUTION: what is the 2 consecutive 2-digit numbers for the product 812

Question 258156: what is the 2 consecutive 2-digit numbers for the product 812

Found 2 solutions by drk, Alan3354:
Answer by drk(1908) (Show Source): You can put this solution on YOUR website!
Let x and x+1 be consecutive integers.
From above, we get
(i)
distributing, we get
(ii)
setting = 0, we get
(iii)
factoring, we get
(iv)
solving, we get
x = -29
or
x = 28.
So our two options are:
(-29, -28)
(28, 29)
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Do these the fast and easy way. It could make the difference on a test.
----------------------------
sqrt(812) = 28.... something, less than 29.
The numbers are 28 and 29
-28 and -29 work also.
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