Website Statistics Ax x23x1 2x 1

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lionel

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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