I think you have to follow someone and ask them to be your tutor.
2(2y^4 + 7y^3 - 4y^2 -20)
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Y^2
4y^2 - 40/y^2 + 14y - 8
2(-2y^4 - 7y^3 + 4y^2 + 20)
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Y^2
You would cancel the common factors in the numerator and denominator.
Exact Form:
2/9
Decimal Form:
0.222222222.....
