(3x square -4xy) (3x square -3xy)
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(3x^2 - 4xy) (3x^2 - 3xy)
= 9x^4 - 9x^3y - 12x^3y + 12x^2y^2
= 9x^4 - 21x^3y + 12x^2y^2
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Answer:
9x⁴ - 9x³y - 12x³y + 12 x²y²
9x⁴ - 21x³y + 12x²y²
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