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OpenStudy (anonymous):
Choose the correct simplification of the expression −5x^2(4x − 6x^2 − 3). 30x^4 − 20x^3 + 15x^2 −11x^4 − x^3 − 8x^2 −30x^4 + 20x^3 − 15x^2 30x^4 + 20x^3 + 15x^2
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OpenStudy (anonymous):
top one -5x^2(-6x^2+4x-3) even if I just look at the signs, the answer with have three terms + then - then +
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