book Maths Puzzle Numerical Ability

Solve all real and imaginary solutions: 1/X + 1(X-1) = 1/4

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book Other Question

{{{bx^2+bx+a^2}}} where a and b are constants, and x is the unknown. write an algebraic equation for the english statement "substract 5 from the sum of x and 7 time 3 and the result is 20.