Câu hỏi của tranvantinh

Question

(x−1)(5x2−3x+2)=x(5x2−3x+2)−1(5x2−3x+2)

Dat Nguyen tuan · Accepted Answer

(x−1)(5x2−3x+2)=x(5x2−3x+2)−1(5x2−3x+2)=x.5x2+x.(−3x)+x.2+(−1).5x2+(−1)(−3x)+(−1).2=x.5x^2+x.\left(-3x\right)+x.2+\left(-1\right).5x^2+\left(-1\right)\left(-3x\right)+\left(-1\right).2=x.5x2+x.(−3x)+x.2+(−1).5x2+(−1)(−3x)+(−1).2=5x3−3x2+2x−5x2+3x−2=5x^3-3x^2+2x-5x^2+3x-2=5x3−3x2+2x−5x2+3x−2=5x3−8x2+5x−2=5x^3-8x^2+5x-2=5x3−8x2+5x−2.Câu trả lời: (x−1)(5x2−3x+2)=x(5x2−3x+2)−1(5x2−3x+2)=x.5x2+x.(−3x)+x.2+(−1).5x2+(−1)(−3x)+(−1).2=x.5x^2+x.\left(-3x\right)+x.2+\left(-1\right).5x^2+\left(-1\right)\left(-3x\right)+\left(-1\right).2=x.5x2+x.(−3x)+x.2+(−1).5x2+(−1)(−3x)+(−1).2=5x3−3x2+2x−5x2+3x−2=5x^3-3x^2+2x-5x^2+3x-2=5x3−3x2+2x−5x2+3x−2=5x3−8x2+5x−2=5x^3-8x^2+5x-2=5x3−8x2+5x−2.

Dat Nguyen tuan · Answer

(x−1)(5x2−3x+2)=x(5x2−3x+2)−1(5x2−3x+2)=x.5x2+x.(−3x)+x.2+(−1).5x2+(−1)(−3x)=5x3−3x2+2x−5x2+3x−2=5x^3-3x^2+2x-5x^2+3x-2=5x3−3x2+2x−5x2+3x−2=5x3−8x2+5x−2=5x^3-8x^2+5x-2=5x3−8x2+5x−2.Câu trả lời: (x−1)(5x2−3x+2)=x(5x2−3x+2)−1(5x2−3x+2)=x.5x2+x.(−3x)+x.2+(−1).5x2+(−1)(−3x)=5x3−3x2+2x−5x2+3x−2=5x^3-3x^2+2x-5x^2+3x-2=5x3−3x2+2x−5x2+3x−2=5x3−8x2+5x−2=5x^3-8x^2+5x-2=5x3−8x2+5x−2.

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