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OpenStudy (anonymous):
Find the product (2x^2-4x+1)(5x-7) my options: 10x^3-34x^2+33x-7 7x^3-20x^2+33x-7 10x^3-6x^2-23x-7
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OpenStudy (uri):
2x^2(5x-7)-4x(5x-7) +1(5x-7) 10x^3-14x^2-20x2+28x+5x-7 10x^3-6x^2-23x-7
OpenStudy (nurali):
@uri answer is wrong (2x^2-4x+1)(5x-7) 2x^2*5x-2x^2*7-4x*5x+4x*7+1*5x-1*7 10x^3-14x^2-20x^2+28x+5x-7 10x^3-34x^2+33x-7
OpenStudy (uri):
Oh yea,sorry
OpenStudy (uri):
-14x^2-20x^2=34x2
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