exam
Maths Puzzle
Numerical Ability
When I get to Factoring 40 I can not get anything to add to get 22. How would I work the problem out?
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exam Other Question
Q1. (x-1)(x-2)(x^2-9x+14)/(x-7)(x^2-3x+2)
Need help factoring ..need positive exponents
2x(6x-1)^1/2 + 3^2(6x-1)^-1/2
This is what I have
(6x-1)^-1/2x[2(6x-1)+3x]
(6x-1)^-1/2x[12x-2+3x]
(6x-1)^-1/2x(15x-2)