Question

x3+5x2+7x+3 by x2+4 x+3​

Answer 1

Answer:

3x+10+7x+3 by 2x+4x+3

10x+10 by 6x+3

x+1 ×2x+1

x(2x+1)+1(2x+1)

2x^+x+2x+1

2x^+3x+1

2x^+(2+1)x+1

2x^+2x+x+1

2x(x+1)+1(x+1)

(2x+1)(x+1)

x=-1/2. orx=-1

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