Question 7
Let $x,y$ be real numbers with $x^2+y^2+5=4x+2y$. Find $x-y$.
TIMO - 2019 - Grade 9 - Preliminary Round - Paper 3 Question 7
TIMO · TIMO - 2019 - Grade 9 - Preliminary Round - Paper 3
TIMO · TIMO - 2019 - Grade 9 - Preliminary Round - Paper 3