exam
Maths Puzzle
Numerical Ability
Solve for x: square root (2x-5) minus square root (x-2) = 2
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exam Other Question
students in Japan go to school an average of 232+3x days, while students in the U.S. go to school an average of 184+4x days. How many more days, on average does a japanese student attend school each year?
I have tried this problem in so many ways. My study guid for the placement exam says Alogebriac expression- compute and simplify.
(x-3)- (x-1)(x-1)
the answer is -6x+10 but I have no idea how they got that.