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Maths Puzzle
Numerical Ability
Find two consecutive whole numbers such that the sum of their squares is 130
n(n+2)=130?
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book Other Question
Can you help me factor this polynomial?
18c^4 - 9c^2 + 7c
Solve:
3x
1 1 = 2
(the three x and 1 1 are inside absolute value brackets)