Find the simplified form of .

MATHEMATICS · Subjective · AoPS · Mathematics · x Marks the Spot · x Marks the Spot

Problem

Find the simplified form of (7x2−4x+2.5)−(3x2+2x−1.75)(7x^2 - 4x + 2.5) - (3x^2 + 2x - 1.75).

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