exam
Maths Puzzle
Numerical Ability
(x+5)(3x-1)+13=0
2x^2+3x=20
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exam Other Question
One number is 4 less than another. If 10 times the smaller number minus 3 times the larger number is 51, find the two numbers.
Can you please show me how to add and simply this problem? thank you!
12/x^2y+5/xy^2