A(x) = (x+2)(3x-1) + (2x ( 1)²
A(x) = 3x² -x +6x -2 +2x +1
A(x) = 3x² +7x -1
voila ^^
A(x) = (x+2)(3x-1)+(2x(1)²)
= 3x²-x+6x-2 +2
= 3x²+5x
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A(x) = (x+2)(3x-1) + (2x ( 1)²
A(x) = 3x² -x +6x -2 +2x +1
A(x) = 3x² +7x -1
voila ^^
A(x) = (x+2)(3x-1)+(2x(1)²)
= 3x²-x+6x-2 +2
= 3x²+5x