<span>p(x)=p1(x)+p2(x)-4*p3(x)</span><span>p1(x)= -2x² + 3x</span><span>p2(x)= 4x²-3</span><span>p3(x) =2x-4.</span><span>p(x)=-2x²+3x+4x²-3-4(2x-4)=2x²+3x-3-8x+16=2x²-5x+13</span><span>.........................................................................................................................</span>