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OpenStudy (anonymous):
Choose the correct simplification of the expression -5x^2(4x-6x^2-3)
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OpenStudy (dtan5457):
I'm pretty sure for this you just multiply it out. So -5x^2 times each term. You end up with -20x^3+30x^4+15x^2. If you try to factor this you get 5x^2(-4x^2+6x^2+3), which is basically the same thing as the question. -20x^3+30x^4+15x^2 looks like the correct answer.
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