Question 58

Q60Multiple choice
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(a) What should be subtracted from 2x3 – 3x2y + 2xy2 + 3y3 to get x3 – 2x2y + 3xy2 + 4y3?

(b) What should be subtracted from –7mn + 2m2 + 3n2 to get m2 + 2mn + n2 ?