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Maths Puzzle
Numerical Ability
The area of a square is given by A=S second power. What is the area of the squares whose sides are 5,10,12 and 15cm?
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book Other Question
put the equation in the standard form of a quadratic equation ax2+bx+c=0
1. 4/x2+3/x-10=0
2. 6+4/x-1=5/x-3
3. 3.5x+4.6/x =1.2
i could not figure how to write a fraction
x-4=-6