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Maths Puzzle
Numerical Ability
two numbers differ by 18. Four times the smaller is 57 more than the larger. Find the numbers.
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book Other Question
The figure show the graph of the polynomial function y = f(x). For which of the values k = 0, 1, 2, or 3 will the equation f(x) = k have complex roots.
How would I go about solv
1. 2X + 5 = 17
2. 2X + 3X - 5 = 25