Simplify the following expression and then evaluate it for the given value of .

MATHEMATICS · Multi-part · AoPS · Mathematics · x Marks the Spot · x Marks the Spot

Problem

Simplify the following expression and then evaluate it for the given value of xx. (i) Expand and simplify (3x−2)(5x+7)(3x - 2)(5x + 7). (ii) Using your result from part (i), calculate the value of the expression when x=2x = 2.

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