SOLUTION: Solve.
Find 2 consecutive positive integers such that the sum of their squares is 85.
Algebra.Com
Question 121355: Solve.
Find 2 consecutive positive integers such that the sum of their squares is 85.
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
X^2+(X+1)^2=85
X^2+X^2+2X+1=85
2X^2+2X+1-85=0
2X^2+2X-84=0
2(X^2+X-42)=0
2(X+7)(X-6)=0
X-6=0
X=6 ANSWER
6+1=7 ANSWER.
PROOF
6^2+7^2=85
36+49=85
85=85
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