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p(x)=x-5
substitute p (x)=0
0=x-5
move the variable to left
-x=-5
change the signs
solution = x=5
p(x)=2x +5
substitute p (x)=0
0=2x +5
move the variable to left
-2x=5
divide both sides
solution
x=-5
_
2
p(x)=3x-2
substitute p (x)=0
0=3x-2
move the variable to left
-3x=-2
divide both sides
solution
x=2
_
3
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