exam
Maths Puzzle
Numerical Ability
4x^2 + 34x + 42
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exam Other Question
On the blackboard ,the mathematics professor wrote a polynomial f(x) with integer coefficients and said"today is my son's birthday.when his age A is substituted for x,then f(a)=A,Y
Solve each of the following systems by substitution.
5x -2y = -5
y - 5x = 3