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What is the sum of x2+4x-3 and x+5x+6? A. 2x2+9x+4 B. 2x2+9x+8 c. x2+9x+4 d. x2+9x+8

What is the sum of x2+4x-3 and x+5x+6? A. 2x2+9x+4 B. 2x2+9x+8 c. x2+9x+4 d. x2+9x+8
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What is the sum of x2+4x-3 and x+5x+6? A. 2x2+9x+4 B. 2x2+9x+8 c. x2+9x+4 d. x2+9x+8

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User Docteur
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(x^2+4x-3)+(x^2+5x+6)=(x^2+x^2)+(4x+5x)+(-3+6)\\\\=\boxed{2x^2+9x+3}

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User Cortijon
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