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Maths Puzzle
Numerical Ability
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your final answer for each part must be a polynomial in standard form
a) addition (12y^3-20y^2-10y+19)+(15y^4-17y^3+24y^2+29y-15)
b) subtraction (-19y^3+19y^2+3y+19)-(-8y^3-30y^2-2y-25)
Write four pairs of equations taht show muliplication and division are inverse operations.