find the product (2x^2 + 4x + 15)(5x^2 - 7x - 12)
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Step-by-step explanation:
=10x^2 - 14x^3 - 24x^2 + 20x^3 - 28x^2 - 48x + 75x^2 - 105x - 180
=6x^3 + 27x^2 + 57x - 180
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