exam
Maths Puzzle
Numerical Ability
x^3-2x^2-x+2 please help factor
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t.21
solve and state the solution for the system by substitution.
x+3y=12
-5-4y=-16
t.22
solve and state the solution for the system by addition
3x+4y=-1
6x-2y=3
y=-3x+4
y=x-4 how do u do that?